Nature of art
Warhol, Andy. The Philosophy of Andy Warhol (From A to B & Back Again). Harcourt Brace Jovanovich, 1975, ch. 6.
Trump, Donald and Tony Schwartz. Trump: The Art of the Deal. Random House, 1987, ch. 1.
Seneca the Younger. Epistulae Morales ad Lucilium [Moral Letters to Lucilius]. c. 65 AD.
Seneca, Lucius Annaeus. Letters on Ethics, translated by Margaret Graver and A. A. Long. University of Chicago Press, 2017.
Tolstoy, Leo. What is Art? London: The Brotherhood Publishing Company, 1898.
Tolstoy, Leo. What Is Art? Translated by Richard Pevear and Larissa Volokhonsky. Penguin Classics, 1996.
Warhol, Andy. The Philosophy of Andy Warhol (From A to B & Back Again). Harcourt Brace Jovanovich, 1975, ch. 6.
Emerson, Ralph Waldo. "Wealth." The Conduct of Life. Boston: Ticknor & Fields/London: Smith, Elder & Co., 1860.
Emerson, Ralph Waldo. “Wealth.” The Conduct of Life, edited by Barbara L. Packer, Joseph Slater, and Douglas Emory Wilson. Vol. 6, Belknap Press, 2004.
Fellini, Federico. Quoted in The Atlantic, Dec. 1965.
Kuspit, Donald Burton. Interviewed by Louise Bourgeois. 1988.
Mutu, Wangechi. Quoted in 33 Artists in 3 Acts, written by Sarah Thornton. W. W. Norton & Company, 2014, p. 59. Originally an interview with Sarah Thornton, c. 2013.
Synge, John Millington. The Playboy of the Western World: A Comedy in Three Acts. J. W. Luce and Company, 1907, preface.
Synge, John Millington. "The Playboy of the Western World." The Playboy of the Western World and Two Other Irish Plays. Penguin Classics, 1997, preface.
Quoted in Paris Review
Updike, John. "John Updike, The Art of Fiction No. 43." Interviewed by Charles Thomas Samuels. The Paris Review, Issue 45, Winter 1968.
Duchamp, Marcel. Audio Arts. 1974. Originally a recorded interview by George Heard Hamilton, Richard Hamilton, and Charles Mitchell, London, 1959.
Turrell, James. "Incredible Lightness: Pace Artist James Turrell Prepares for Superstardom." Interviewed by Julie L. Belcove. Harper's Bazaar, online slideshow, 19 Apr. 2013, http://www.harpersbazaar.com/culture/features/g2667/james-turrell-interview-0513/?slide=4.
Beuys, Joseph. "An Interview with Joseph Beuys." Interviewed by Willoughby Sharp. Artforum, Dec. 1969.
Whistler, James McNeill. The Gentle Art of Making Enemies. London: William Heinemann, 1890.
Coppola, Francis Ford. "Francis Ford Coppola: On Risk, Money, Craft & Collaboration." Interviewed by Ariston Anderson. The Behance Blog, 5 Jan. 2011.
Gauguin, Paul. Letter to Emile Schuffenecker. 14 Aug. 1888.