Greek
Sophocles. Unnamed drama. 5th century BC, fragment 694.
Quoted in Theaetetus, by Plato
Socrates. Quoted in Θεαίτητος [Theaetetus], written by Plato. c. 369 BC.
Socrates. Quoted in Theaetetus, written by Plato, translated by John McDowell. Oxford University Press, 2014.
Aristophanes. Ὄρνιθες [Birds]. c. 414, Dionysia, Athens, Greece.
Aristophanes. "Birds." Aristophanes: The Complete Plays, translated by Paul Roche. New American Library/Berkley, 2005.
Quoted in Plutarch's Lives, by Plutarch
Anacharsis. Quoted in "Solon." Lives of the Noble Greeks and Romans. c. 120.
Anacharsis. Quoted in "Solon." Greek Lives, written by Plutarch, translated by Robin Waterfield. Oxford University Press, 2009.
The Holy Bible: The King James Version. 1611. (Acts 4:12).
Herodotus. Ἱστορίαι [Histories]. c. 430 BC, bk. 9. sect. 16.
Herodotus. The Histories, translated by Robin Waterfield. Oxford University Press, 2008, bk. 9, sect. 16.
Herodotus. Ἱστορίαι [Histories]. c. 430 BC, bk. 1, sect. 87.
Herodotus. The Histories, translated by Robin Waterfield. Oxford University Press, 2008, bk. 1, sect. 87.
Thucydides. The History of the Peloponnesian War. c. 431 BC, bk. 5.
Thucydides. The Peloponnesian War, translated by Martin Hammond. Oxford University Press, 2009, bk. 5.
The Holy Bible: The King James Version. 1611. (1st Peter 5:8).
Matthew 18:3
The Holy Bible: The King James Version. 1611. (Matthew 18:3).
Matthew 6:34
The Holy Bible, New International Version. International Bible Society, 1978. (Matthew 6:34).
The Holy Bible: New American Standard Bible. The Lockman Foundation, 1971. (Acts 20:35).
Herodotus. Ἱστορίαι [Histories]. c. 430 BC, bk. 8, ch. 98.
Herodotus. The Histories, translated by Robin Waterfield. Oxford University Press, 2008, bk. 8, ch. 98.
Plutarch. "Πῶς ἄν τις διακρίνοιε τὸν κόλακα τοῦ φίλου [How to Tell a Flatterer from a Friend]." Ἠθικά Ethika [Moralia]. c. 100 AD.
Plutarch. "How to Distinguish a Flatterer from a Friend." Essays. Penguin Classics, 1993.
Aeschylus. Agamemnon. 458 BCE, The Dionysia, Athens, Greece.
Aeschylus. "Agamemnon." The Oresteia: Agamemnon; The Libation Bearers; The Eumenides, edited and translated by Robert Fagles. Penguin Classics, 1984.
The Holy Bible: The King James Version. 1611. (Matthew 19:21).
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.