Choice Quotes - page 65
Apollonius accordingly paused for a minute and then, fixing his eyes, as it were, on the discourse he had heard, he spoke as follows: "... I am not come here to ask your advice about how to live, insomuch as I long ago made choice of the life which seemed best to myself ... For I discerned a certain sublimity in the discipline of Pythagoras, and how a certain secret wisdom enabled him to know, not only who he was himself, but also who he had been; and I saw that he approached the altars in purity, and suffered not his belly to be polluted by partaking of the flesh of animals and that he kept his body pure of all garments woven of dead animal refuse; and that he was the first of mankind to restrain his tongue, inventing a discipline of silence ... I also saw that his philosophical system was in other respects oracular and true. So I ran to embrace his teachings ..."
Philostratus