c Picture of Socrates 人Wrote nothing, AAristophanes (450-388),The Clouds AXenophon (428-354),Memorabilla A Plato's 25 some dialogues (Immortalize S) A Aristotle(384-322)important commentsPicture of Socrates ©Wrote nothing; ©Aristophanes (450-388), The Clouds ©Xenophon (428-354), Memorabilla ©Plato’s 25 some dialogues (Immortalize S) ©Aristotle (384-322) important comments