Drill down into our database of quotes.

Yeats, William Butler. "In Memory of Eva Gore Booth and Con Markiewicz." W. B. Yeats: The Major Works, edited by Edward Larrissy. Oxford University Press, 2008, I. 24.

Heraclitus. "On the Universe." Hippocrates, translated by W. H. S. Jones. Vol. 4, Harvard University Press, 1931, no. 46.

Burke, Edmund. "Philosophical Enquiry in the Origin of Our Ideas of the Sublime and Beautiful." The Portable Edmund Burke, edited by Isaac Kramnick. Penguin, 2009, pt. 4, sect. 18.

Johnson, Samuel. Quoted in The Life of Samuel Johnson, written by James Boswell, edited by David Womersley. Penguin Classics, 2008.

Boethius. The Consolation of Philosophy, translated by Victor Watts. Penguin Classics, 1999, bk. 2, poem 3.

Washington, George. "Farewell Address, September 19, 1796." George Washington: Writings, edited by John Rhodehamel. Library of America, 1997.

Cather, Willa. O Pioneers, edited by Sharon O'Brien. W. W. Norton & Company, 2007, pt. 5, ch. 3.

Kant, Immanuel. "An Answer to the Question: 'What is Enlightenment'?" Kant: Political Writings, edited by H. S. Reiss, translated by H. B. Nisbet. Cambridge University Press, 1991.

Washington, George. "Farewell Address, September 19, 1796." George Washington: Writings, edited by John Rhodehamel. Library of America, 1997.

Yeats, William Butler. "To F. J. Gregg [late summer 1886]." The Collected Letters of W. B. Yeats. Volume I: 1865-1895, edited by John Kelly. Oxford University Press, 1986.

Cattulus, Gaius Valerius. The Poems of Catullus, translated by Guy Lee. Oxford University Press, 2009, no. 70, l. 3.

Vyasa. The Bhagavad Gita, translated W. J. Johnson. Oxford University Press, 2009, ch. 11, v. 32.