Kitap 2
5.20
And Aristophanes attacks him in his plays for making the worse appear the better reason. For Favorinus in his Miscellaneous History says Socrates and his pupil Aeschines were the first to teach rhetoric; and this is confirmed by Idomeneus in his work on the Socratic circle.Possibly the reference is to the same citation as in 19 which Diogenes Laertius may have found independently in two of his authorities. Diogenes himself notices the agreement between Favorinus and Idomeneus of Lampsacus, a much earlier author, for he was a disciple of Epicurus, whom he knew from 310 to 270 b.c. Again, he was the first who discoursed on the conduct of life, and the first philosopher who was tried and put to death. Aristoxenus, the son of Spintharus, says of him that he made money; he would at all events invest sums, collect the interest accruing, and then, when this was expended, put out the principal again.
5.20
Demetrius of Byzantium relates that Crito removed him from his workshop and educated him, being struck by his beauty of soul;
