Roman Republic
Cicero, Marcus Tullius. De re publica [On the Commonwealth]. c. 51 BC, bk. 6, ch. 13.
Cicero, Marcus Tullius. "The Republic." The Republic and The Laws, translated by Niall Rudd. Oxford University Press, 2009, bk. 6, ch. 13.
Carus, Titus Lucretius. De Rerum Natura [On the Nature of Things]. c. 55 BC, bk. 2, l. 1.
Carus, Titus Lucretius. The Nature of Things, translated by Alicia Stallings. Penguin Classics, 2007, bk. 2, l. 1.
Terence. Ἑαυτὸν τιμωρούμενος [Heuton Timoroumenous]. c. 163 BC, Rome, Italy, act 4, sc. 6.
Varro, Marcus Terentius. Rerum rusticarum libri tres [Three Books on Agriculture]. 1st century BC, bk. 3.
Cicero, Marcus Tullius. Laelius de Amicitia. c. 43 BC, ch. 21, sect. 80.
Cicero, Marcus Tullius. "Laelius de Amicitia." M. Tullius Ciceronis: De Re Publica, De Legibus, Cato Maior de Senectute, Laelius de Amicitia, edited by J. G. F. Powell. Oxford University Press, 2006.
Cicero, Marcus Tullius. Pro Sestio [In Defense of Publius Sestio]. c. 56 BC, Rome, Italy.
Carus, Titus Lucretius. De Rerum Natura [On the Nature of Things]. c. 55 BC, bk. 1, l. 155.
Carus, Titus Lucretius. The Nature of Things, translated by Alicia Stallings. Penguin Classics, 2007, bk. 1, l. 155.
Cicero, Marcus Tullius. De Divinatione [Concerning Divination]. c. 44 BC, bk. 2, ch 58, sect. 119.
Cicero, Marcus Tullius. Cato Maior de Senectute [Cato the Elder on Old Age]. c. 1885, ch. 23, sect. 85.
Cicero, Marcus Tullius. Cicero: Cato Maior de Senectute [Cato the Elder on Old Age], edited by J. G. F. Powell. Cambridge University Press, 2004.
Cicero, Marcus Tullius. Brutus. c. 46 BC, sect. 71.
Cicero, Marcus Tullius. "Brutus." Cicero: Brutus and Orator, translated by Robert A. Kaster. Oxford University Press, 2020, sect. 71.
Carus, Titus Lucretius. De Rerum Natura [On the Nature of Things]. c. 55 BC, bk. 2, l. 558.
Carus, Titus Lucretius. The Nature of Things, translated by Alicia Stallings. Penguin Classics, 2007, bk. 2, l. 558.
Terence. Heauton Timorumenos [The Self-Tormentor]. c. 163 BC, act 4, sc. 3.
Terence. "The Self-Tormentor." The Comedies, translated by Betty Radice. Penguin Classics, 1976.
Carus, Titus Lucretius. De Rerum Natura [On the Nature of Things]. c. 55 BC, bk. 3, l. 830.
Carus, Titus Lucretius. The Nature of Things, translated by Alicia Stallings. Penguin Classics, 2007, bk. 3, l. 830.
Cicero, Marcus Tullius. De Divinatione [Concerning Divination]. c. 44 BC, bk. 1, ch. 52, sect. 118.
Terence. Andria [The Woman from Andros]. 166 BC, Rome, Italy.
Terence. Andria, edited by Sander M. Goldberg. Cambridge University Press, 2023.
Carus, Titus Lucretius. De Rerum Natura [On the Nature of Things]. c. 55 BC, bk. 2, l. 75.
Carus, Titus Lucretius. The Nature of Things, translated by Alicia Stallings. Penguin Classics, 2007, bk. 2, l. 75.
Plautus, Titus Maccius. Mostellaria [The Ghost]. c. 193 BC, act 3, sc. 2.
Plautus, Titus Maccius. "The Haunted House." Four Comedies: The Braggart Soldier; The Brothers Menaechmus; The Haunted House; The Pot of Gold, translated by Erich Segal. Oxford University Press, 2008, act 3, sc. 2.
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.