Greek
The Holy Bible: The King James Version. 1611. (John 16:33).
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.
Heraclitus. Fragments. 5th century BC, DK B119.
Heraclitus. Fragments, translated by Brooks Haxton. Penguin Classics, 2003.
Sophocles. Αἴας [Ajax]. c. 441 BCE, Athens, Greece.
Sophocles. "Ajax." Electra and Other Plays, translated by David Raeburn. Penguin Classics, 2008.
Aurelius, Marcus. Meditations. c. 180, bk. 7.
Aurelius, Marcus. Meditations, edited and translated by Martin Hammond. Penguin Classics, 2015, bk. 7.
Saint John of Damascus. "An Exact Exposition of the Orthodox Faith." The Fountain of Wisdom. c. 749, bk. 1, ch. 9.
Hesiod. Ἔργα καὶ Ἡμέραι [Works and Days]. c. 700 BC, l. 265.
Hesiod. "Works and Days." Theogony and Works and Days, translated by M. L. West. Oxford University Press, 2009, l. 265.
Aurelius, Marcus. Meditations. c. 180, bk. 10.
Aurelius, Marcus. Meditations, edited and translated by Martin Hammond. Penguin Classics, 2015, bk. 10.
Matthew 19:14
The Holy Bible: The King James Version. 1611. (Matthew 19:14).
Aeschylus. Fragment 221. c. 450 BC.
Aeschylus. Fragments, translated by Alan H. Sommerstein. Harvard University Press, 2009, fragment 221.
The Holy Bible: The King James Version. 1611. (Luke 15:7).
Aristophanes. Λυσιστράτη [Lysistrata]. c. 411 BC, Athens, Greece.
Aristophanes. "Lysistrata." Lysistrata and Other Plays. Penguin Classics, 2008.
Hesiod. Ἔργα καὶ Ἡμέραι [Works and Days]. c. 700 BC, l. 361-362.
Hesiod. "Works and Days." Theogony and Works and Days, translated by M. L. West. Oxford University Press, 2009, l. 361-362.
Epictetus. Ἐπικτήτου διατριβαί, Epiktētou diatribai [The Discourses of Epictetus]. c. 108, bk 2, ch 17.
Epictetus. "The Discourses." Discourses and Other Writings, edited and translated by Robert Dobbin. Penguin Classics, 2008, bk. 2, ch. 17.
The Holy Bible: The King James Version. 1611. (Mark 14:30).
Euripides. Ἱππόλυτος [Hippolytus]. 428 BC, City Dionysia festival, Athens, Greece.
Euripides. "Hippolytus." Euripides I: Alcestis, Medea, The Children of Heracles, Hippolytus, edited and translated by Richard Lattimore, et. al. University of Chicago Press, 2013.
Heraclitus. Fragments. 5th century BC, F17 - DK B9.
Heraclitus. "Heraclitus of Ephesus." The First Philosophers: The Presocratics and Sophists, translated by Robin Waterfield. Oxford University Press, 2009.