Emotional occasions, especially violent ones, are extremely potent in precipitating mental rearrangements. The sudden and explosive ways in which love, jealousy, guilt, fear, remorse, or anger can seize upon one are known to everybody.... And emotions that come in this explosive way seldom leave things as they found them.

Writings, 1902-1910 (ed. Library of America, 1987) - ISBN: 9780940450387