Phaedo
Socrates offers four arguments for the soul's immortality:The scene is set in Phlius where Echecrates who, meeting Phaedo, asks for news about the last days of Socrates. Phaedo explains why a delay occurred between his trial and his death, and describes the scene in a prison at Athens on the final day, naming those present. He tells how he had visited Socrates early in the morning with the others. Socrates' wife Xanthippe was there, but was very distressed and Socrates asked that she be taken away. Socrates' relates how, bidden by a recurring dream to "make and cultivate music", he wrote a hymn and then began writing poetry based on Aesop's Fables.
Socrates
Details about the life of Socrates are derived from both contemporary sources, and later ancient period sources. Of the contemporary sources, the greater extent of information is taken from the dialogues of Plato and Xenophon (both devotees of Socrates), and the testaments of Antisthenes, Aristippus, and Aeschines of Sphettos, and the lesser from the plays of Aristophanes. Later ancient period sources include Apollodorus of Athens (alive during the second century BC), 
Cicero (alive 106–43 BC), and Diogenes Laërtius (alive probably in the earlier half of the third century AD).