William Kapell (1922–1953) American classical pianist
Virgil Thompson, " On William Kapell http://www.williamkapell.com/articles/virgilthompson.html", New York Herald-Tribune (October, 1953). <br class="br">About
"The Black Boy Looks at the White Boy" in Esquire (May 1961)
Variant: Nobody is more dangerous than he who imagines himself pure in heart; for his purity, by definition, is unassailable.
Source: Nobody Knows My Name
William Kapell (1922–1953) American classical pianist
Virgil Thompson, " On William Kapell http://www.williamkapell.com/articles/virgilthompson.html", New York Herald-Tribune (October, 1953). <br class="br">About
Patricia A. McKillip book The Forgotten Beasts of Eld
Source: The Forgotten Beasts of Eld (1974), Chapter 11, pp. 311-312.
Andrew Dickson White (1832–1918) American politician
Source: Seven Great Statesmen in the Warfare of Humanity with Unreason (1915), p. 59
George Holmes Howison (1834–1916) American philosopher
Source: The Limits of Evolution, and Other Essays, Illustrating the Metaphysical Theory of Personal Ideaalism (1905), The Harmony of Determinism and Freedom, p.324
Bertolt Brecht (1898–1956) German poet, playwright, theatre director
"Speech to Danish working-class actors on the art of observation" [Rede an dänische Arbeiterschauspieler über die Kunst der Beobachtung] (1934), from The Messingkauf Poems, published in Versuche 14 (1955); trans. John Willett in Poems, 1913-1956, pp. 235-236
Poems, 1913-1956 (1976)
“The power of purity—it is a definite power.”
Swami Vivekananda (1863–1902) Indian Hindu monk and phylosopher
Pearls of Wisdom
Clement Greenberg (1909–1994) American writer and artist
"Partisan Review 'Art Chronicle': 1952" (1952), p. 146
1960s, Art and Culture: Critical Essays, (1961)
“Purity of heart is love for the weak who constantly fall.”
Catherine Doherty (1896–1985) Religious order founder; Servant of God
Source: Poustinia (1975), Ch. 12