Let us not be ashamed to speak what we shame not to think.
Source: Essays, bk. 3, ch. 5, Upon Some Verses of Virgil (1588, tr. by John Florio).
-- Michel Eyquem de Montaigne, (Feb 28 1553-1592), French essayist, courtier; His Essais (Essays) established a new literary form, and often used quotations from classical writers.