Every man has a right to utter what he thinks truth, and every other man has a right to knock him down for it.
Source: In Quotations of Wit and Wisdom, ed. & John W. Garder et al., 1975.
-- Samuel Johnson, (Sep 18 1709-1784), English lexicographer, critic; He was remembered for writing the first critique of Shakespeare, 1765 and Dictionary of the English Language, 1755.