“But, said the accuser, the association of Critias and Alcibiades with Socrates brought manifold misfortune upon the city. For Critias was the most covetous and violent of all the oligarchs, and Alcibiades the most incontinent and wantonly wicked of all the democrats.1” Xenophon Memorials of Socrates
“It is said that in the presence of a large company including Euthydemus, Socrates once remarked that Critias was like a pig because he desired to use Euthydemus as little pigs use stones. From that time forth Critias hated Socrates, so much so that when he and Charicles became legislators for the Thirty, he bore the rebuke in mind and included in the code a law forbidding the teaching of the art of words —this by way of doing him the ill turn, when he had no means of laying hands on him, of bringing him under the general prejudice against all philosophers and thus damaging him in the eyes of the world.” Xenophon Memorials of Socrates
“In the following year （404 B.C.） .. the people decreed that thirty men should be elected to make laws by which they should conduct the government, and the following citizens were chosen: Polychares, Critias, Melobius, etc.” Xenophon Hellenica
“There perished （at Munychia, fighting against Thrasybulus and the exiles）, of the Thirty, Critias and Hippomachus.2” Xenophon Hellenica
“Well? would it not have paid the Carthaginians to take Critias or Diagoras at the outset to make their laws, and believe in neither Gods nor spirits nor offer the sacrifices they offered to Cronus?” Plutarch On Superstition
“Solon had a brother Dropides ... ancestor of Critias the member of The Thirty.3” Diogenes Laertius Lives of the Philosophers
“ According to Chamaeleon of Heraclea in the book entitled Protrepticus , the Spartans and Thebans all learn to play the flute, .. and the most famous Athenians, such as Callias son of Hipponicus and Critias son of Callaeschrus.
”Athenaeus Doctors at Dinner
“Socrates and Charmides: —S. The fame of your father's family, the house of Critias son of Dropides, has come down to us crowned with the praises accorded it by Anacreon, Solon, and many other poets.” Plato Charmides
“... the author of the Peirithous, whether it is Critias the Tyrant or Euripides.4” Athenaeus Doctors at Dinner
“He too is almost as stately as Antiphon, being exalted and also frequently declaratory, but he is purer in style, and discriminates in his comparisons, so that he is not only grand but clear and well-arranged; and in many of his works, particularly in the Exordia to Public Speeches, he is at once truthful and convincing.5” Hermogenes [on Critias]
“Others, as for instance Critias, have pronounced the soul to be blood.” Aristotle On the Soul
“Drinking-customs differ in the various cities; compare Critias' Constitution of Sparta : ‘The Chian and the Thasian drink in turn out of large cups, the Athenian out of small cups, the Thessalian,’ etc.6” Athenaeus Doctors at Dinner
“Critias was a well-bred fine-grown man who nevertheless moved in philosophical circles, and thus was called a layman among philosophers and a philosopher among laymen.7” Scholiast on Plato
Aelian Historical Miscellanies
（see Archilochus fr. 149）.8“Critias became a tyrant and a murderer in the worst senses, and so both brought great trouble upon his country and died a detested man.9” Aelian Historical Miscellanies
