← Philosophumena; or, The refutation of all heresies, Volume I
Chapter 23
15. About Socrates
Now Socrates became a hearer of Archelaus the physicist, and giving great honour to the maxim “Know thyself” and having established a large school, held Plato to be the most competent of all his disciples. He left no writings behind him; but Plato being impressed with all his wisdom established the teaching combining physics, ethics and dialectics. But what Plato laid down is this:—