The mind
Plutarch. "Περὶ τοῦ ἀκούειν [On Hearing]." Ἠθικά Ethika [Moralia]. c. 100 AD.
Plutarch. "On Listening." Essays. Penguin Classics, 1993.
Milton, John. Paradise Lost. London: Samuel Simmons, 1667, bk. 1, I. 254.
"Paradise Lost." John Milton: Major Works, edited by Stephen Orgel and Jonathan Goldberg. Oxford University Press, 2008, bk. 1, I. 254.
Darwin, Charles. Letter to William Graham. 3 July 1881.
Darwin, Charles. "To William Graham, 3 July 1881." The Correspondence of Charles Darwin, edited by Frederick Burkhardt and James A. Secord. Vol. 29: 1870. Cambridge University Press, 2022, no. 13230.
Wallace, David Foster. Commencement address at Kenyon College. Commencement. 21 May 2005, Kenyon College, Gambier, OH, USA.
Wallace, David Foster. This is Water: Some Thoughts, Delivered on a Significant Occasion about Living a Compassionate Life. Little, Brown and Company, 2009.
Kundera, Milan. L'insoutenable légèreté de l'être [The Unbearable Lightness of Being]. Gallimard, 1984.
Kundera, Milan. The Unbearable Lightness of Being, translated by Michael Henry Heim. Harper Perennial, 2009.
Ben-Hur. Directed by William Wyler, Metro-Goldwyn-Mayer, 1959.
Memento. Directed by Christopher Nolan, Summit Entertainment/Team Todd, 2000.
Jung, Carl and Aniela Jaffé. Erinnerungen, Träume, Gedanken [Memories, Dreams, Reflections], translated by Richard and Clara Winston. Exlibris, 1962.
Blazing Saddles. Directed by Mel Brooks, Crossbow Productions, 1974.
A Treatise Concerning the Principles of Human Knowledge
Berkeley, George. A Treatise Concerning the Principles of Human Knowledge. Dublin: Jeremy Pepat, 1710, sect. 6.
Berkeley, George. A Treatise Concerning the Principles of Human Knowledge, edited by Kenneth P. Winkler. Hackett Publishing Company, 1982, sect. 6.