Turning from questions ...

... to doctrines: Plato's Dialogues, part 7: Plato and Christianity. (Hat tip, Dave Lull.)

... Socrates himself wrote nothing. And as for Plato: "There neither is nor ever will be a treatise of mine on [philosophy]," he wrote in the Seventh Letter. "For [philosophy] does not admit of exposition like other branches of knowledge; but after much converse about the matter itself and a life lived together, suddenly a light, as it were, is kindled in one soul by a flame that leaps to it from another, and thereafter sustains itself." A struggle with life is the lifeblood of philosophy, not a struggle with words.