Fanaticism consists in redoubling your effort when you have forgotten your aim.

Authentication Score 3

Citation

Santayana, George. The Life of Reason: Introduction and Reason in Common Sense, edited by Marianne S. Wokeck and Martin A. Coleman. Vol. 7, The MIT Press, 2011, bk. 1, introduction. Originally published by Charles Scribner's Sons, 1905.