Classical antiquity
The Holy Bible: The King James Version. 1611. (Luke 1:30-32).
Polybius. Ἱστορίαι [Histories]. c. 110 BC, bk. 10.
Polybius. The Histories, translated by W. R. Paton. Vol. 4, Loeb Classical Library, 1992, bk. 10.
Pliny the Elder. Historia Naturalis [Natural History]. 77 AD, bk. 7.
Pliny the Elder. Natural History: A Selection, translated by John F. Healy. Penguin Classics, 1991, bk. 7.
Epictetus. Ἐγχειρίδιον Ἐπικτήτου, Enkheirídion Epiktḗtou [Enchiridion of Epictetus]. c. 125 CE, ch. 1.
Epictetus. Enchiridion, translated by George Long. Dover Publications, 2004, ch. 1.
Quoted in The War of Catiline, by Sallust
Catiline. Quoted in Bellum Catilinae [War of Catiline], written by Sallust. c. 44 BC.
Catiline. Quoted in "Cataline's Conspiracy." Cataline's Conspiracy, The Jugurthine War, Histories, written by Sallust and translated by William W. Batstone. Oxford University Press, 2010.
Sophocles. "Hipponous." Fragments. c. 468 BC, frag. 301.
Sophocles. "Hipponous." Fragments, edited and translated by Hugh Lloyd-Jones. Harvard University Press, 1996, frag. 301.
Hippocrates. The Law. c. 4th century BC, pt. 4.
Hippocrates. "Canon." Hippocratic Writings, translated by J. Chadwick and W. N. Mann, et al. Penguin Classics, 1984.
Josephus. Ἰωσήπου βίος [The Life of Flavius Josephus]. c. 99.
Josephus. "The Life of Flavius Josephus." The New Complete Works of Josephus. Kregel Academic & Professional, 1999.
Polybius. Ἱστορίαι [Histories]. c. 110 BC, bk. 18.
Polybius. The Histories, translated by W. R. Paton. Vol. 5, Harvard University Press, 2012, bk. 18.
Sophocles. Oedipus Rex. c. 429 BC, Theatre of Dionysus, Athens, Greece.
Sophocles. "Oedipus Rex." The Oedipus Cycle: Oedipus Rex; Oedipus at Colonus; Antigone, translated by Dudley Fitts and Robert Fitzgerald. Mariner Books, 2002.
Horace. Epistularum liber primus [First Book of Letters]. 20 BC, bk. 1, epistle 1.
Horace. "Epistles." Satires and Epistles, translated by John Davie. Oxford University Press, 2011, bk. 1, epistle 1.
Quoted in Funeral Oration, by Thucydides
Pericles. Quoted in The History of the Peloponnesian War. c. 431 BC, bk. 2.
Pericles. Quoted in The Peloponnesian War, translated by Martin Hammond. Oxford University Press, 2009, bk. 2.
Xenophanes. Fragments. 5th century BC, F16 - DK22 B110.
Xenophanes. "Xenophanes of Colophon." The First Philosophers: The Presocratics and Sophists. Oxford World Classics, 2009, F16 - DK22 B110.
The Holy Bible: The King James Version. 1611. (Matthew 18:21-22).
Galatians 6:7
The Holy Bible: The King James Version. 1611. (Galatians 6:7).
The Holy Bible, New King James Version. Thomas Nelson, 1982. (Micah 5:2).
The Holy Bible, New International Version. International Bible Society, 1978. (Isaiah 40:31).