To doubt one’s own first principles is the mark of a civilized man. Don’t defend past actions; what is right today may be wrong tomorrow. Don’t be consistent; consistency is the refuge of fools.

Hyman Rickover (1900-1986) Polish-American naval engineer, admiral [b. Chaim Gdala Rykower]

Speech (1954-03-16), “Administering a Large Military Development Project,” US Naval Postgraduate School, Monterey, California
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