Drill down into our database of quotes.

Sophocles. "Antigone." The Oedipus Cycle: Oedipus Rex; Oedipus at Colonus; Antigone, translated by Dudley Fitts and Robert Fitzgerald. Mariner Books, 2002.

Plato. Theatetus, translated by John McDowell. Oxford University Press, 2014.

Rousseau, Jean-Jacques. "Of the Social Contract." Of the Social Contract and Other Political Writings, translated by Quintin Hoare. Penguin Classics, 2012, bk. 1, ch. 1.

Lincoln, Abraham. "Second Inaugral Address, March 4, 1865." Abraham Lincoln: Speeches and Writings 1859-1865, edited by Don E. Fehrenbacher. Library of America, 2018.

Browning, Elizabeth Barrett. "Sonnets from the Portuguese." Aurora Leigh and Other Poems, edited by John Robert Glorney Bolton and Julia Bolton Holloway. Penguin Classics, 1996, sonnet 43.

Marx, Karl. Critique of the Gotha Program, translated by Kevin B. Anderson. PM Press, 2022, pt. 1.

Thales. Quoted in The Lives of Eminent Philosophers, written by Diogenes Laërtius, translated by Pamela Mensch, edited by James Miller. Oxford University Press, 2018, bk. 1, ch. 1.

Laozi [Lao Tzu]. "The Natural Way of Lao Tzu." A Source Book in Chinese Philosophy, translated by Wing-Tsit Chan. Princeton University Press, 1969, ch. 64.

Aristotle. Metaphysics, translated by Hugh Lawson-Tancred. Penguin Classics, 1999, book alpha.

Virgil. The Aeneid, translated by Robert Fagles. Penguin Classics, 2010, bk. 10.

Lincoln, Abraham. "Address at Gettysburg, Pennsylvania, November 19, 1863." Abraham Lincoln: Speeches and Writings 1859-1865, edited by Don E. Fehrenbacher. Library of America, 1989.

Tolstoy, Leo. Anna Karenina, translated by Richard Pevear and Larissa Volokhonsky. Penguin Classics, 2014.

Jefferson, Thomas. "James Madison, Jan. 30, 1787." The Life and Selected Writings of Thomas Jefferson, edited by Adrienne Koch and William Peden. Modern Library, 1998.

Descartes, René. Discourse on the Method, translated by Ian Maclean. Oxford University Press, 2008, pt. 4.

Orwell, George. "As I Please." The Collected Essays, Journalism And Letters Of George Orwell, vol. 3: As I Please 1943-1945, edited by Sonia Orwell and Ian Angus. David R. Godine, 2004, no 18.