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Index
Cover
Title Page
Copyright
Contents
Descartes (1596–1650)
Discourse on the Method of Rightly Conducting the Reason and Seeking Truth in the Sciences (1637)
Meditations on the First Philosophy: (1641)
Dedication
Preface
Synopsis of the Meditations
I. Of the Things of which we may Doubt
II. Of the Nature of the Human Mind; and that it is more easily known than the Body
III. Of God: that he exists
IV. Of Truth and Error
V. Of the Essence of Material Things; and, again, of God: that he exists
VI. Of the Existence of Material Things, and of the Real Distinction between the Mind and Body of Man
Spinoza (1632–1677)
The Ethics (1677)
Part I. Concerning God
Definitions
Axioms
Prop. I. Substance is by nature prior to its modifications
Prop. II. Two substances, whose attributes are different, have nothing in common
Prop. III. Things which have nothing in common cannot be one the cause of the other
Prop. IV. Two or more distinct things are distinguished one from the other either by the difference of the attributes of the substances, or by the difference of their modifications
Prop. V. There cannot exist in the universe two or more substances having the same nature or attribute
Prop. VI. One substance cannot be produced by another substance
Prop. VII. Existence belongs to the nature of substance
Prop. VIII. Every substance is necessarily infinite
Prop. IX. The more reality or being a thing has, the greater the number of its attributes
Prop. X. Each particular attribute of the one substance must be conceived through itself
Prop. XI. God, or substance, consisting of infinite attributes, of which each expresses eternal and infinite essentiality, necessarily exists
Prop. XII. No attribute of substance can be conceived from which it would follow that substance
Prop. XIII. Substance absolutely infinite is indivisible
Prop. XIV. Besides God no substance can be granted or conceived
Prop. XV. Whatsoever is, is in God, and without God nothing can be, or be conceived
Prop. XVI. From the necessity of the divine nature must follow an infinite number of things in infinite ways–that is, all things which can fall within the sphere of infinite intellect
Prop. XVII. God acts solely by the laws of his own nature, and is not constrained by anyone
Prop. XVIII. God is the indwelling and not the transient cause of all things
Prop. XIX. God, and all the attributes of God, are eternal
Prop. XX. The existence of God and his essence are one and the same
Prop. XXI. All things which follow from the absolute nature of any attribute of God must always exist and be infinite, or, in other words, are eternal and infinite through the said attribute
Prop. XXII. Whatever follows from any attribute of God, in so far as it is modified by a modification, which exists necessarily and as infinite, through the said attribute, must also exist necessarily and as infinite
Prop. XXIII. Every mode which exists both necessarily and as infinite must necessarily follow either from the absolute nature of some attribute of God, or from an attribute modified by a modification which exists necessarily and as infinite
Prop. XXIV. The essence of things produced by God does not involve existence
Prop. XXV. God is the efficient cause not only of the existence of things, but also of their essence
Prop. XXVI. A thing which is conditioned to act in a particular manner has necessarily been thus conditioned by God; and that which has not been conditioned by God cannot condition itself to act
Prop. XXVII. A thing, which has been conditioned by God to act in a particular way, cannot render itself unconditioned
Prop. XXVIII. Every individual thing, or everything which is finite and has a conditioned existence, cannot exist or be conditioned to act, unless it be conditioned for existence and action by a cause other than itself, which also is finite and has a conditioned existence; and likewise this cause cannot in its turn exist or be conditioned to act, unless it be conditioned for existence and action by another cause, which also is finite and has a conditioned existence, and so on to infinity
Prop. XXIX. Nothing in the universe is contingent, but all things are conditioned to exist and operate in a particular manner by the necessity of the divine nature
Prop. XXX. Intellect, in function finite, or in function infinite, must comprehend the attributes of God and the modifications of God, and nothing else
Prop. XXXI. The intellect in function, whether finite or infinite, as will, desire, love, &c., should be referred to passive nature and not to active nature
Prop. XXXII. Will cannot be called a free cause, but only a necessary cause
Prop. XXXIII. Things could not have been brought into being by God in any manner or in any order different from that which has in fact obtained
Prop. XXXIV. God’s power is identical with his essence
Prop. XXXV. Whatsoever we conceive to be in the power of God, necessarily exists
Prop. XXXVI. There is no cause from whose nature some effect does not follow
Appendix
Part II. Of the Nature and Origin of the Mind
Preface
Definitions
Axioms
Prop. I. Thought is an attribute of God, or God is a thinking thing
Prop. II. Extension is an attribute of God, or God is an extended thing
Prop. III. In God there is necessarily the idea not only of his essence, but also of all things which necessarily follow from his essence
Prop. IV. The idea of God, from which an infinite number of things follow in infinite ways, can only be one
Prop. V. The actual being of ideas owns God as its cause, only in so far as he is considered as a thinking thing, not in so far as he is unfolded in any other attribute; that is, the ideas both of the attributes of God and of particular things do not own as their efficient cause their objects, or the things perceived, but God himself in so far as he is a thinking thing
Prop. VI. The modes of any given attribute are caused by God, in so far as he is considered through the attribute of which they are modes, and not in so far as he is considered through any other attribute
Prop. VII. The order and connection of ideas is the same as the order and connection of things
Prop. VIII. The ideas of particular things, or of modes, that do not exist, must be comprehended in the infinite idea of God, in the same way as the formal essences of particular things or modes are contained in the attributes of God
Prop. IX. The idea of an individual thing actually existing is caused by God, not in so far as he is infinite, but in so far as he is considered as affected by another idea of a thing actually existing, of which he is the cause, in so far as he is affected by a third idea, and so on to infinity
Prop. X. The being of substance does not appertain to the essence of man-in other words, substance does not constitute the actual being of man
Prop. XI. The first element, which constitutes the actual being of the human mind, is the idea of some particular thing actually existing
Prop. XII. Whatsoever comes to pass in the object of the idea, which constitutes the human mind, must be perceived by the human mind, or there will necessarily be an idea in the human mind of the said occurrence. That is, if the object of the idea constituting the human mind be a body, nothing can take place in that body without being perceived by the mind
Prop. XIII. The object of the idea constituting the human mind is the body, in other words a certain mode of extension which actually exists, and nothing else
Digression on the nature of bodies–Axioms I., II. Lemmas I.–III.
Axioms I., II.
Definition–Axiom III.–Lemmas IV., V.
Lemmas VI., VII.
Postulates
Prop. XIV. The human mind is capable of perceiving a great number of things, and is so in proportion as its body is capable of receiving a great number of impressions
Prop. XV. The idea, which constitutes the actual being of the human mind, is not simple, but compounded of a great number of ideas
Prop. XVI. The idea of every mode, in which the human body is affected by external bodies, must involve the nature of the human body, and also the nature of the external body
Prop. XVII. If the human body is affected in a manner which involves the nature of any external body, the human mind will regard the said external body as actually existing, or as present to itself, until the human body be affected in such a way as to exclude the existence of the said external body
Prop. XVIII. If the human body has once been affected by two or more bodies at the same time, when the mind afterwards imagines any of them, it will straightway remember the others also
Prop. XIX. The human mind has no knowledge of the body, and does not know it to exist, save through the ideas of the modifications whereby the body is affected
Prop. XX. The idea or knowledge of the human mind is also in God, following in God in the same manner, and being referred to God in the same manner, as the idea or knowledge of the human body
Prop. XXI. This idea of the mind is united to the mind in the same way as the mind is united to the body
Prop. XXII. The human mind perceives not only the modifications of the body, but also the ideas of such modifications
Prop. XXIII. The mind does not know itself, except in so far as it perceives the ideas of the modifications of the body
Prop. XXIV. The human mind does not involve an adequate knowledge of the parts composing the human body
Prop. XXV. The idea of each modification of the human body does not involve an adequate knowledge of the external body
Prop. XXVI. The human mind does not perceive any external body as actually existing, except through the ideas of the modifications of its own body
Prop. XXVII. The idea of each modification of the human body does not involve an adequate knowledge of the human body itself
Prop. XXVIII. The ideas of the modifications of the human body, in so far as they have reference only to the human mind, are not clear and distinct, but confused
Prop. XXIX. The idea of the idea of each modification of the human body does not involve an adequate knowledge of the human mind
Prop. XXX. We can only have a very inadequate knowledge of the duration of our body
Prop. XXXI. We can only have a very inadequate knowledge of the duration of particular things external to ourselves
Prop. XXXII. All ideas, in so far as they are referred to God, are true
Prop. XXXIII. There is nothing positive in ideas, which causes them to be called false
Prop. XXXIV. Every idea, which in us is absolute or adequate and perfect, is true
Prop. XXXV. Falsity consists in the privation of knowledge, which inadequate, fragmentary, or confused ideas involve
Prop. XXXVI. Inadequate or confused ideas follow by the same necessity, as adequate or clear and distinct ideas
Prop. XXXVII. That which is common to all, and which is equally in a part and in the whole, does not constitute the essence of any particular thing
Prop. XXXVIII. Those things, which are common to all, and which are equally in a part and in the whole, cannot be conceived except adequately
Prop. XXXIX. That, which is common to and a property of the human body and such other bodies as are wont to affect the human body, and which is present equally in each part of either, or in the whole, will be represented by an adequate idea in the mind
Prop. XL. Whatsoever ideas in the mind follow from ideas which are therein adequate are also themselves adequate
Prop. XLI. Opinion is the only source of falsity, reason and intuition are necessarily true
Prop. XLII. Reason and intuition, not opinion, teach us to distinguish the true from the false
Prop. XLIII. He who has a true idea, simultaneously knows that he has a true idea, and cannot doubt of the truth of the thing perceived
Prop. XLIV. It is not in the nature of reason to regard things as contingent, but as necessary
Prop. XLV. Every idea of every body, or of every particular thing actually existing, necessarily involves the eternal and infinite essence of God
Prop. XLVI. The knowledge of the eternal and infinite essence of God, which every idea involves, is adequate and perfect
Prop. XLVII. The human mind has an adequate knowledge of the eternal and infinite essence of God
Prop. XLVIII. In the mind there is no absolute or free will; but the mind is determined to wish this or that by a cause, which has also been determined by another cause, and this last by another cause, and so on to infinity
Prop. XLIX. There is in the mind no volition or affirmation and negation, save that which an idea, inasmuch as it is an idea, involves
Part III. On the Origin and Nature of the Emotions
Definitions
Postulates
Prop. I. Our mind is in certain cases active, and in certain cases passive. In so far as it has adequate ideas, it is necessarily active, and in so far as it has inadequate ideas, it is necessarily passive
Prop. II. Body cannot determine mind to think, neither can mind determine body to motion or rest or any state different from these, if such there be
Prop. III. The activities of the mind arise solely from adequate ideas; the passive states of the mind depend solely on inadequate ideas
Prop. IV. Nothing can be destroyed, except by a cause external to itself
Prop. V. Things are naturally contrary, that is, cannot exist in the same object, in so far as one is capable of destroying the other
Prop. VI. Everything, in so far as it is in itself, endeavours to persist in its own being
Prop. VII. The endeavour, wherewith everything endeavours to persist in its own being, is nothing else but the actual essence of the thing in question
Prop. VIII. The endeavour, whereby a thing endeavours to persist in its being, involves no finite time, but an indefinite time
Prop. IX. The mind, both in so far as it has clear and distinct ideas, and also in so far as it has confused ideas, endeavours to persist in its being for an indefinite period, and of this endeavour it is conscious
Prop. X. An idea which excludes the existence of our body cannot be postulated in our mind, but is contrary thereto
Prop. XI. Whatsoever increases or diminishes, helps or hinders the power of activity in our body, the idea thereof increases or diminishes, helps or hinders the power of thought in our mind
Prop. XII. The mind, as far as it can, endeavours to conceive those things, which increase or help the power of activity in the body
Prop. XIII. When the mind conceives things which diminish or hinder the body’s power of activity, it endeavours, as far as possible, to remember things which exclude the existence of the first-named things
Prop. XIV. If the mind has once been affected by two emotions at the same time, it will, whenever it is afterwards affected by one of the two, be also affected by the other
Prop. XV. Anything can, accidentally, be the cause of pleasure, pain, or desire
Prop. XVI. Simply from the fact that we conceive that a given object has some point of resemblance with another object which is wont to affect the mind pleasurably or painfully, although the point of resemblance be not the efficient cause of the said emotions, we shall still regard the first-named object with love or hate
Prop. XVII. If we conceive that a thing which is wont to affect us painfully has any point of resemblance with another thing which is wont to affect us with an equally strong emotion of pleasure, we shall hate the first-named thing, and at the same time we shall love it
Prop. XVIII. A man is as much affected pleasurably or painfully by the image of a thing past or future as by the image of a thing present
Prop. XIX. He who conceives that the object of his love is destroyed will feel pain; if he conceives that it is preserved, he will feel pleasure
Prop. XX. He who conceives that the object of his hate is destroyed will feel pleasure
Prop. XXI. He who conceives that the object of his love is affected pleasurably or painfully, will himself be affected pleasurably or painfully; and the one or the other emotion will be greater or less in the lover according as it is greater or less in the thing loved
Prop. XXII. If we conceive that anything pleasurably affects some object of our love, we shall be affected with love towards that thing. Contrariwise, if we conceive that it affects an object of our love painfully, we shall be affected with hatred towards it
Prop. XXIII. He who conceives that an object of his hatred is painfully affected, will feel pleasure. Contrariwise, if he thinks that the said object is pleasurably affected, he will feel pain. Each of these emotions will be greater or less, according as its contrary is greater or less in the object of hatred
Prop. XXIV. If we conceive that anyone pleasurably affects an object of our hate, we shall feel hatred towards him also. If we conceive that he painfully affects the said object, we shall feel love towards him
Prop. XXV. We endeavour to affirm, concerning ourselves and concerning what we love, everything that we conceive to affect pleasurably ourselves or the loved object. Contrariwise, we endeavour to negative everything, which we conceive to affect painfully ourselves or the loved object
Prop. XXVI. We endeavour to affirm, concerning that which we hate, everything which we conceive to affect it painfully; and, contrariwise, we endeavour to deny, concerning it, everything which we conceive to affect it pleasurably
Prop. XXVII. By the very fact that we conceive a thing, which is like ourselves, and which we have not regarded with any emotion, to be affected with any emotion, we are ourselves affected with a like emotion
Prop. XXVIII. We endeavour to bring about whatsoever we conceive to conduce to pleasure; but we endeavour to remove or destroy whatsoever we conceive to be truly repugnant thereto, or to conduce to pain
Prop. XXIX. We shall also endeavour to do whatsoever we conceive men to regard with pleasure, and contrariwise we shall shrink from doing that which we conceive men to shrink from
Prop. XXX. If any one has done something which he conceives as affecting other men pleasurably, he will be affected by pleasure, accompanied by the idea of himself as a cause; in other words, he will regard himself with pleasure. On the other hand, if he has done anything which he regards as affecting others painfully, he will regard himself with pain
Prop. XXXI. If we conceive that anyone loves, desires, or hates anything which we love, desire, or hate, we shall thereupon regard the thing in question with more steadfast love, &c. On the contrary, if we think that anyone shrinks from something that we love, we shall undergo vacillation of soul
Prop. XXXII. If we conceive that anyone takes delight in something which only one person can possess we shall endeavour to bring it about that the man in question shall not gain possession thereof
Prop. XXXIII. When we love a thing similar to ourselves, we endeavour, as far as we can, to bring it about that it should love us in return
Prop. XXXIV. The greater the emotion with which we conceive a loved object to be affected towards us, the greater will be our complacency
Prop. XXXV. If anyone conceives, that an object of his love joins itself to another with closer bonds of friendship than he himself has attained to, he will be affected with hatred towards the loved object and with envy towards his rival
Prop. XXXVI. He who remembers a thing, in which he has once taken delight, desires to possess it under the same circumstances as when he first took delight therein
Prop. XXXVII. Desire arising through pain or pleasure, hatred or love, is greater in proportion as the emotion is greater
Prop. XXXVIII. If a man has begun to hate an object of his love, so that love is thoroughly destroyed, he will, causes being equal, regard it with more hatred than if he had never loved it, and his hatred will be in proportion to the strength of his former love
Prop. XXXIX. He who hates anyone will endeavour to do him an injury, unless he fears that a greater injury will thereby accrue to himself; on the other hand, he who loves anyone will, by the same law, seek to benefit him
Prop. XL. He, who conceives himself to be hated by another, and believes that he has given him no cause for hatred, will hate that other in return
Prop. XLI. If anyone conceives that he is loved by another, and believes that he has given no cause for such love, he will love that other in return
Prop. XLII. He who has conferred a benefit on anyone from motives of love or honour will feel pain, if he sees that the benefit is received without gratitude
Prop. XLIII. Hatred is increased by being reciprocated, and can on the other hand be destroyed by love
Prop. XLIV. Hatred which is completely vanquished by love passes into love: and love is thereupon greater than if hatred had not preceded it
Prop. XLV. If a man conceives, that anyone similar to himself hates anything also similar to himself, which he loves, he will hate that person
Prop. XLVI. If a man has been affected pleasurably or painfully by anyone of a class or nation different from his own, and if the pleasure or pain has been accompanied by the idea of the said stranger as cause, under the general category of the class or nation: the man will feel love or hatred not only to the individual stranger, but also to the whole class or nation whereto he belongs
Prop. XLVII. Joy arising from the fact that anything we hate is destroyed or suffers other injury is never unaccompanied by a certain pain in us
Prop. XLVIII. Love or hatred towards, for instance, Peter is destroyed, if the pleasure involved in the former, or the pain involved in the latter emotion, be associated with the idea of another cause; and will be diminished in proportion as we conceive Peter not to have been the sole cause of either emotion
Prop. XLIX. Love or hatred towards a thing which we conceive to be free must, other conditions being similar, be greater than if it were felt towards a thing acting by necessity
Prop. L. Anything whatever can be, accidentally, a cause of hope or fear
Prop. LI. Different men may be differently affected by the same object, and the same man may be differently affected at different times by the same object
Prop. LII. An object which we have formerly seen in conjunction with others, and do not conceive to have any property that is not common to many, will not be regarded by us for so long as an object which we conceive to have some property peculiar to itself
Prop. LIII. When the mind regards itself and its own power of activity, it feels pleasure; and that pleasure is greater in proportion to the distinctness wherewith it conceives itself and its own power of activity
Prop. LIV. The mind endeavours to conceive only such things as assert its power of activity
Prop. LV. When the mind contemplates its own weakness, it feels pain thereat
Prop. LVI. There are as many kinds of pleasure, of pain, of desire, and of every emotion compounded of these, such as vacillations of spirit, or derived from these, such as love, hatred, hope, fear, &c., as there are kinds of objects whereby we are affected
Prop. LVII. Any emotion of a given individual differs from the emotion of another individual, only in so far as the essence of the one individual differs from the essence of the other
Prop. LVIII. Besides pleasure and desire, which are passivities or passions, there are other emotions derived from pleasure and desire which are attributable to us in so far as we are active
Prop. LIX. Among all the emotions attributable to the mind as active, there are none which cannot be referred to pleasure or pain
Definitions of the Emotions
General Definition of the Emotions
Part IV. Of Human Bondage or the Strength of the Emotions
Preface
Definitions
Axiom
Prop. I. No positive quality possessed by a false idea is removed by the presence of what is true in virtue of its being true
Prop. II. We are only passive in so far as we are a part of Nature, which cannot be conceived by itself without other parts
Prop. III. The force whereby a man persists in existing is limited, and is infinitely surpassed by the power of external causes
Prop. IV. It is impossible, that man should not be a part of Nature, or that he should be capable of undergoing no changes, save such as can be understood through his nature only as their adequate cause
Prop. V. The power and increase of every passion, and its persistence in existing are not defined by the power, whereby we ourselves endeavour to persist in existing, but by the power of an external cause compared with our own
Prop. VI. The force of any passion or emotion can overcome the rest of a man’s activities or power, so that the emotion becomes obstinately fixed to him
Prop. VII. An emotion can only be controlled or destroyed by another emotion contrary thereto, and with more power for controlling emotion
Prop. VIII. The knowledge of good and evil is nothing else but the emotions of pleasure or pain in so far as we are conscious thereof
Prop. IX. An emotion, whereof we conceive the cause to be with us at the present time, is stronger than if we did not conceive the cause to be with us
Prop. X. Towards something future, which we conceive as close at hand, we are affected more intensely, than if we conceive that its time for existence is separated from the present by a longer interval; so too by the remembrance of what we conceive to have not long passed away we are affected more intensely, than if we conceive that it has long passed away
Prop. XI. An emotion towards that which we conceive as necessary is, when other conditions are equal, more intense than an emotion towards that which is possible, or contingent, or non-necessary
Prop. XII. An emotion towards a thing, which we know not to exist at the present time, and which we conceive as possible, is more intense, other things being equal, than an emotion towards a thing contingent
Prop. XIII. Emotion towards a thing contingent, which we know not to exist in the present, is, other conditions being equal, fainter than an emotion towards a thing past
Prop. XIV. A true knowledge of good and evil cannot check any emotion by virtue of being true, but only in so far as it is considered as an emotion
Prop. XV. Desire arising from the knowledge of good and evil can be quenched or checked by many other desires arising from the emotions whereby we are assailed
Prop. XVI. Desire arising from the knowledge of good and evil, in so far as such knowledge regards what is future, may be more easily controlled or quenched, than the desire for what is agreeable at the present moment
Prop. XVII. Desire arising from the true knowledge of good and evil, in so far as such knowledge is concerned with what is contingent, can be controlled far more easily still, than desire for things that are at present
Prop. XVIII. Desire arising from pleasure is, other things being equal, stronger than desire arising from pain
Prop. XIX. Every man, by the laws of his nature, necessarily desires or shrinks from that which he deems to be good or bad
Prop. XX. The more every man endeavours and is able to seek what is useful to him–in other words, to preserve his own being–the more is he endowed with virtue; on the contrary, in proportion as a man neglects to seek what is useful to him, that is, to preserve his own being, he is wanting in power
Prop. XXI. No one can rightly desire to be blessed, to act rightly, and to live rightly, without at the same time wishing to be, to act, and to live, in other words, to actually exist
Prop. XXII. No virtue can be conceived as prior to this endeavour to preserve one’s own being
Prop. XXIII. Man, in so far as he is determined to a particular action because he has inadequate ideas, cannot be absolutely said to act in obedience to virtue; he can only be so described in so far as he is determined for the action because he understands
Prop. XXIV. To act absolutely in obedience to virtue is in us the same thing as to act, to live, or to preserve one’s being (these three terms are identical in meaning) in accordance with the dictate of reason on the basis of seeking what is useful to one’s self
Prop. XXV. No one wishes to preserve his being for the sake of anything else
Prop. XXVI. Whatsoever we endeavour in obedience to reason is nothing further than to understand; neither does the mind, in so far as it makes use of reason, judge anything to be useful to it, save such things as are conducive to understanding
Prop. XXVII. We know nothing to be certainly good or evil, save such things as really conduce to understanding, or such as are able to hinder us from understanding
Prop. XXVIII. The mind’s highest good is the knowledge of God, and the mind’s highest virtue is to know God
Prop. XXIX. No individual thing, which is entirely different from our own nature, can help or check our power of activity, and absolutely nothing can do us good or harm, unless it has something in common with our nature
Prop. XXX. A thing cannot be bad for us through the quality which it has in common with our nature, but it is bad for us in so far as it is contrary to our nature
Prop. XXXI. In so far as a thing is in harmony with our nature, it is necessarily good
Prop. XXXII. In so far as men are a prey to passion, they cannot, in that respect, be said to be naturally in harmony
Prop. XXXIII. Men can differ in nature, in so far as they are assailed by those emotions which are passions or passive states; and to this extent one and the same man is variable and inconstant
Prop. XXXIV. In so far as men are assailed by emotions which are passions, they can be contrary one to another
Prop. XXXV. In so far only as men live in obedience to reason, do they always necessarily agree in nature
Prop. XXXVI. The highest good of those who follow virtue is common to all, and therefore all can equally rejoice therein
Prop. XXXVII. The good which every man who follows after virtue desires for himself, he will also desire for other men, and so much the more, in proportion as he has a greater knowledge of God
Prop. XXXVIII. Whatsoever disposes the human body, so as to render it capable of being affected in an increased number of ways, or of affecting external bodies in an increased number of ways, is useful to man; and is so, in proportion as the body is thereby rendered more capable of being affected or of affecting other bodies in an increased number of ways; contrariwise, whatsoever renders the body less capable in this respect is hurtful to man
Prop. XXXIX. Whatsoever brings about the preservation of the proportion of motion and rest, which the parts of the human body mutually possess, is good; contrariwise, whatsoever causes a change in such proportion is bad
Prop. XL. Whatsoever conduces to man’s social life, or causes men to live together in harmony, is useful, whereas whatsoever brings discord into a State is bad
Prop. XLI. Pleasure in itself is not bad but good; contrariwise, pain in itself is bad
Prop. XLII. Mirth cannot be excessive, but is always good; contrariwise, Melancholy is always bad
Prop. XLIII. Stimulation may be excessive and bad; on the other hand, grief may be good, in so far as stimulation or pleasure is bad
Prop. XLIV. Love and desire may be excessive
Prop. XLV. Hatred can never be good
Prop. XLVI. He, who lives under the guidance of reason, endeavours, as far as possible, to render back love, or kindness, for other men’s hatred, anger, contempt, etc., towards him
Prop. XLVII. Emotions of hope and fear cannot be in themselves good
Prop. XLVIII. The emotions of over-esteem and disparagement are always bad
Prop. XLIX. Over-esteem is apt to render its object proud
Prop. L. Pity, in a man who lives under the guidance of reason, is in itself bad and useless
Prop. LI. Approval is not repugnant to reason, but can agree therewith and arise therefrom
Prop. LII. Self-approval may arise from reason, and that which arises from reason is the highest possible
Prop. LIII. Humility is not a virtue, or does not arise from reason
Prop. LIV. Repentance is not a virtue, or does not arise from reason; but he who repents of an action is doubly wretched or infirm
Prop. LV. Extreme pride or dejection indicates extreme ignorance of self
Prop. LVI. Extreme pride or dejection indicates extreme infirmity of spirit
Prop. LVII. The proud man delights in the company of flatterers and parasites, but hates the company of the high-minded
Prop. LVIII. Honour (gloria) is not repugnant to reason, but may arise therefrom
Prop. LIX. To all the actions, whereto we are determined by emotions, wherein the mind is passive, we can be determined without emotion by reason
Prop. LX. Desire arising from a pleasure or pain, that is, not attributable to the whole body, but only to one or certain parts thereof, is without utility in respect to man as a whole
Prop. LXI. Desire which springs from reason cannot be excessive
Prop. LXII. In so far as the mind conceives a thing under the dictate of reason, it is affected equally, whether the idea be of a thing present, past, or future
Prop. LXIII. He who is led by fear, and does good in order to escape evil, is not led by reason
Prop. LXIV. The knowledge of evil is an inadequate knowledge
Prop. LXV. Under the guidance of reason we should pursue the greater of two goods and the lesser of two evils
Prop. LXVI. We may, under the guidance of reason, seek a greater good in the future in preference to a lesser good in the present, and we may seek a lesser evil in the present in preference to a greater evil in the future
Prop. LXVII. A free man thinks of nothing less than of death; and his wisdom is a meditation not of death, but of life
Prop. LXVIII. If men were born free, they would, so long as they remained free, form no conception of good or evil
Prop. LXIX. The virtue of a free man is seen to be as great, when it declines dangers, as when it overcomes them
Prop. LXX. The free man, who lives among the ignorant, strives, as far as he can, to avoid receiving favours from them
Prop. LXXI. Only free men are thoroughly grateful, one to another
Prop. LXXII. The free man never acts fraudulently, but always in good faith
Prop. LXXIII. The man, who is guided by reason, is more free in a State, where he lives under a general system of law, than in solitude, where he is independent
Appendix on the Right Way of Life
Part V. Of the Power of the Understanding, or of Human Freedom
Preface
Axioms
Prop. I. Even as thoughts and the ideas of things are arranged and associated in the mind, so are the modifications of the body or the images of things precisely in the same way arranged and associated in the body
Prop. II. If we remove a disturbance of the spirit, or emotion, from the thought of an external cause, and unite it to other thoughts, then will the love or hatred towards that external cause, and also the vacillations of spirit, which arise from these emotions, be destroyed
Prop. III. An emotion, which is a passion, ceases to be a passion, as soon as we form a clear and distinct idea thereof
Prop. IV. There is no modification of the body, whereof we cannot form some clear and distinct conception
Prop. V. An emotion towards a thing which we conceive simply, and not as necessary, or as contingent, or as possible, is, other conditions being equal, greater than any other emotion
Prop. VI. The mind has greater power over the emotions and is less subject thereto, in so far as it understands all things as necessary
Prop. VII. Emotions which are aroused or spring from reason, if we take account of time, are stronger than those which are attributable to particular objects that we regard as absent
Prop. VIII. An emotion is stronger in proportion to the number of simultaneous concurrent causes whereby it is aroused
Prop. IX. An emotion which is attributable to many and diverse causes which the mind regards as simultaneous with the emotion itself is less hurtful, and we are less subject thereto and less affected towards each of its causes, than if it were a different and equally powerful emotion attributable to fewer causes or to a single cause
Prop. X. So long as we are not assailed by emotions contrary to our nature, we have the power of arranging and associating the modifications of our body according to the intellectual order
Prop. XI. In proportion as a mental image is referred to more objects, so is it more frequent, or more often vivid, and affects the mind more
Prop. XII. The mental images of things are more easily associated with the images referred to things which we clearly and distinctly understand, than with others
Prop. XIII. A mental image is more often vivid, in proportion as it is associated with a greater number of other images
Prop. XIV. The mind can bring it about, that all bodily modifications or images of things may be referred to the idea of God
Prop. XV. He who clearly and distinctly understands himself and his emotions loves God, and so much the more in proportion as he more understands himself and his emotions
Prop. XVI. This love towards God must hold the chief place in the mind
Prop. XVII. God is without passions, neither is he affected by any emotion of pleasure or pain
Prop. XVIII. No one can hate God
Prop. XIX. He who loves God cannot endeavour that God should love him in return
Prop. XX. This love towards God cannot be stained by the emotion of envy or jealousy; contrariwise, it is the more fostered in proportion as we conceive a greater number of men to be joined to God by the same bond of love
Prop. XXI. The mind can only imagine anything, or remember what is past, while the body endures
Prop. XXII. Nevertheless in God there is necessarily an idea, which expresses the essence of this or that human body under the form of eternity
Prop. XXIII. The human mind cannot be absolutely destroyed with the body, but there remains of it something which is eternal
Prop. XXIV. The more we understand particular things, the more do we understand God
Prop. XXV. The highest endeavour of the mind, and the highest virtue, is to understand things by intuition
Prop. XXVI. In proportion as the mind is more capable of understanding things by intuition, it desires more so to understand things
Prop. XXVII. From intuition arises the highest possible mental acquiescence
Prop. XXVIII. The endeavour or desire to know things by intuition cannot arise from opinion, but from reason
Prop. XXIX. Whatsoever the mind understands under the form of eternity, it does not understand by virtue of conceiving the present actual existence of the body, but by virtue of conceiving the essence of the body under the form of eternity
Prop. XXX. Our mind, in so far as it knows itself and the body under the form of eternity, has to that extent necessarily a knowledge of God, and knows that it is in God, and is conceived through God
Prop. XXXI. Intuition depends on the mind, as its formal cause, in so far as the mind itself is eternal
Prop. XXXII. Whatsoever we understand by intuition, we take delight in, and our delight is accompanied by the idea of God as cause
Prop. XXXIII. The intellectual love of God, which arises from intuition, is eternal
Prop. XXXIV. The mind is, only while the body endures, subject to those emotions which are attributable to passions
Prop. XXXV. God loves himself with an infinite intellectual love
Prop. XXXVI. The intellectual love of the mind towards God is that very love of God whereby God loves himself, not in so far as he is infinite, but in so far as he can be explained through the essence of the human mind regarded under the form of eternity; in other words, the intellectual love of the mind towards God is part of the infinite love wherewith God loves himself
Prop. XXXVII. There is nothing in nature, which is contrary to this intellectual love, or which can take it away
Prop. XXXVIII. In proportion as the mind understands more things by reason and intuition, it is less subject to those emotions which are evil, and stands in less fear of death
Prop. XXXIX. He, who possesses a body capable of the greatest number of activities, possesses a mind whereof the greatest part is eternal
Prop. XL. In proportion as each thing possesses more of perfection, so is it more active, and less passive; and, vice versâ, in proportion as it is more active, so is it more perfect
Prop. XLI. Even if we did not know that our mind is eternal, we should still consider as of primary importance piety and religion, and generally all things, which in Part IV., we showed to be attributable to courage and high-mindedness
Prop. XLII. Blessedness is not the reward of virtue, but virtue itself; neither do we rejoice therein, because we control our lusts, but, contrariwise, because we rejoice therein, we are able to control our lusts
Leibniz (1646–1716)
Discourse On Metaphysics (1710)
The Monadology (1714)
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