The awareness of their individual blemishes and shortcomings inclines the frustrated to detect ill will and meanness in their fellow men. Self-contempt, however vague, sharpens our eyes for the imperfections of others. We usually strive to reveal in others the blemishes we hide in ourselves.
Eric Hoffer (1902-1983) American writer, philosopher, longshoreman
The True Believer, ch. 100 (1951)