2. Architektōn, ‘chief maker’, ‘master builder’. This rather curious remark seems to mean that a slave has moral virtue only in so far as he is required by his master to have it to fulfil hisfunction, with little or no intellectual appreciation of its natureand reasons. But his master has ethical virtue in its entirety, a full intellectual and rational understanding of it, and of why andhow far his slave must possess it to perform his tasks well.

3. I.e. wrongly thought that in some sense they were the same (Xenophon, Symposium II, 9; Plato, Republic 452e ff., Meno 71e ff.).