Andrew Dickson White
The old Quaker was right: "I expect to pass through life but once. If there is any kindness, or any good thing I can do to my fellow beings, let me do it now. I shall pass this way but once. "W. C. Gannett
- As a rule, when there arises a thinker as great in theology as Kepler in science, the whole mass of his conclusions ripens into a dogma. His disciples labour not to test it, but to establish it; and while, in the Catholic Church, it becomes a dogma to be believed or disbelieved under the penalty of damnation, it becomes in the Protestant Church the basis for one more sect.
- The History of the Warfare of Science With Theology in Christendom (1898), vol. I, ch. iv, pp. 202-3
- The cardinal doctrine of a fanatic's creed is that his enemies are the enemies of God.
- The History of the Warfare of Science With Theology in Christendom (1898), vol. II, ch. xvi, p. 149