Pleasure is the beginning and the end of living happily.

Chilon. 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. 3.

Joyce, James. A Portrait of the Artist as a Young Man, edited by John Paul Riquelme. W. W. Norton & Company, 2007, ch. 4.

Aristotle. Quoted in The Lives of Eminent Philosophers, written by Diogenes Laërtius, translated by Pamela Mensch, edited by James Miller. Oxford University Press, 2018, bk. 5, ch. 1, sect. 20.