Classical antiquity
Theognis. Elegies. c. 541 BC.
Theognis. "Elegies." Hesiod and Theognis: Theogony, Works and Days, and Elegies, translated by Dorothea Wender. Penguin Classics, 1976.
Pythagoras. Quoted in The Lives and Opinions of Eminent Philosophers, written by Diogenes Laërtius. c. 240 AD, bk. 8, ch. 1, sect. 30.
Pythagoras. Quoted in The Lives of Eminent Philosophers, written by Diogenes Laërtius, translated by Pamela Mensch, edited by James Miller. Oxford University Press, 2018, bk. 8, ch. 1, sect. 30.
Theognis. Elegies. c. 541 BC.
Theognis. "Elegies." Hesiod and Theognis: Theogony, Works and Days, and Elegies, translated by Dorothea Wender. Penguin Classics, 1976.
Sallust. Bellum Catilinae [War of Catiline]. c. 43–40 BC.
Sallust. "The War with Catiline." The War with Catiline and The War with Jugurtha, translated by John T. Ramsey J. C. Rolfe. Harvard University Press, 2013.
The Holy Bible: The King James Version. 1611. (Proverbs 10:19).
Leonidas of Tarentum. Spring on the Coast. 3rd century BC.
Leonidas of Tarentum. "Spring on the Coast." The Greek Anthology, translated by Clive Sansom, edited by Peter Jay. Penguin Classics, 1973.