Assertion: cicero's dialogue | /r/CreatedBy | his student
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Source sentences:
text: We know him only through the surviving testimony of others, first the lampoons in Aristophanes’ comic plays, and above all the “Socratic” dialogues written by his student Plato and his associate Xenophon (dialogues by others are known only by titles or fragments), and the remarks of Plato’s student Aristotle, as well as other sources from after or even long after his death (for a collection, see Giannantoni 1990, and see the entry on Socrates).