
“Every man is a volume if you know how to read him.”
Letter to Henry James (ca. 1890) as quoted by Robert D. Richardson, William James: In the Maelstrom of American Modernism (2007) p. 297. Also as quoted partially by Alfred North Whitehead, Science and the Modern World (1925) p. 2.
1890s
“Every man is a volume if you know how to read him.”
Canto XXXIII, lines 85–87 (tr. Ciardi).
The Divine Comedy (c. 1308–1321), Paradiso
http://www.popmonk.com/actors/leonardo-dicaprio/quotes-leonardo-dicaprio.htm
Quoted in Eleanor Harris, The Real Story of Lucille Ball, ch. 1 (1954)