Memorabilia (original title in ) is a collection of Socratic dialogues by Xenophon (ca. 430 - 354 BC), a student of Socrates (ca. 470 - 399 BC). The lengthiest and most famous of Xenophon's Socratic writings, the Memorabilia is essentially an apologia (defense) of Socrates, differing from both Xenophon's ''Apology of Socrates to the Jury''