This document was originally published in The Drama: Its History, Literature and Influence on Civilization, vol. 1. ed. Alfred Bates. London: Historical Publishing Company, 1906. p. 329.
Noted in his day for his tragedies, elegies and prose works was Critias, chief of the thirty tyrants. From his Sisyphus a fragment has been preserved in which he declares faith in the gods to be merely a clever device for holding the masses in check; but as no one would dare to make such a statement before an Athenian audience, the piece was probably intended only for private reading.