“ CRITIAS: But in that respect your argument and mine are the same. For you maintain if they are useful to a certain end, they can never become useless; whereas I say that in order to accomplish some results bad things are needed, and good for others.SOCRATES: But can a bad thing be used to carry out a good purpose?CRITIAS: I should say not.SOCRATES: And we call those actions good which a man does for the sake of virtue?CRITIAS: Yes.SOCRATES: But can a man learn any kind of knowledge which is imparted by word of mouth if he is wholly deprived of the sense of hearing? ”
Quotes from Eryxias (Plato)
“ But truly, Socrates, said Erasistratus, though you may be joking, Critias does seem to me to be saying something which is of weight. SOCRATES: I am in profound earnest, I assure you. But why, as you have begun your argument so prettily, do you not go on with the rest? There is still something lacking, now you have agreed that (wealth) is a good to some and an evil to others. It remains to enquire what constitutes wealth; for unless you know this, you cannot possibly come to an understanding as to whether it is a good or an evil. ”
“ SOCRATES: But desires are only the lack of something: and those who have the greatest desires are in a worse condition than those who have none or very slight ones? CRITIAS: Certainly I consider that those who have such wants are bad, and that the greater their wants the worse they are. SOCRATES: And do we think it possible that a thing should be useful for a purpose unless we have need of it for that purpose? CRITIAS: No. SOCRATES: Then if these things are useful for supplying the needs of the body, we must want them for that purpose? ”
