Kitap 4
5.11
Socrates, said Euthydemus, I think you mean that he who is at the mercy of the bodily pleasures has no concern whatever with virtue in any form.Yes, Euthydemus; for how can an incontinent man be any better than the dullest beast? How can he who fails to consider the things that matter most, and strives by every means to do the things that are most pleasant, be better than the stupidest of creatures? No, only the self-controlled have power to consider the things that matter most, and, sorting them out after their kind, by word and deed alike to prefer the good and reject the evil.
5.12
And thus, he said, men become supremely good and happy and skilled in discussion. The very word discussion, according to him, owes its name to the practice of meeting together for common deliberation,The etymological point, διαλέγω, classify, implying διαλέγομαι, discuss, is lost in the English. sorting, discussing things after their kind: and therefore one should be ready and prepared for this and be zealous for it; for it makes for excellence, leadership and skill in discussion.