“If Fascism Ever Comes to America, It Will Come in the Name of Liberalism.”

Orthodoxy (1884)
Context: This century will be called Darwin’s century. He was one of the greatest men who ever touched this globe. He has explained more of the phenomena of life than all of the religious teachers. Write the name of Charles Darwin on the one hand and the name of every theologian who ever lived on the other, and from that name has come more light to the world than from all of those.

Source: The Guardian, March 17, 2001

Variant translation: Names and attributes must be accommodated to the essence of things, and not the essence to the names, because things came first, and their names subsequently.
Other quotes
Source: As quoted in Discoveries and Opinions of Galileo (1957) by Stillman Drake, p. 92

Canto XI, lines 100–102 (tr. C. E. Norton).
The Divine Comedy (c. 1308–1321), Purgatorio

Reagan biographer Lou Cannon noted that this was a suspect quotation, and that he could find no evidence of it. Thomas did say that both major political parties had borrowed items from the Socialist Party platform.
Cannon, Lou. Governor Reagan: His Rise to Power. New York: PublicAffairs Books, 2003. ISBN 1-586-48030-8 (p. 125).
Possibly Misattributed

Source: Culture and Value (1980), p. 67e

Source: She Is the Darkness (1997), Chapter 69 (p. 517)