* Kierkegaard’s phrase in The sickness unto death (1954), but used here with quite different connotations.


* Marianne Moore, Collected Poems.


* The remarks on the guilt experienced by Peter (Chapter 8) are relevant to this form of schizoid guilt which, I believe, has not been sufficiently recognized.


* Plato postulates that friendship can exist only between ‘congenial’ beings. However, the discussion on the possibility of friendship in the Lysis gets stuck at the dilemma: if two beings are not ‘wanting’ in anything, why should they want anything from the other? It is on this central issue – is he self-sufficient or does he ‘want’ anything? – that the schizoid person’s life is liable to founder.