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Hannah Arendt (1972). “Crises of the Republic: Lying in Politics; Civil Disobedience; On Violence; Thoughts on Politics and Revolution”, p.41, Houghton Mifflin Harcourt
Marcus Aurelius (Emperor of Rome), André Dacier, Thomas Gataker, Cebes (of Thebes.) (1726). “The Emperor Marcus Antoninus: His Conversation with Himself. Together with the Preliminary Discourse of the Learned Gataker”, p.155