Voltaire Quotes about Learning
"Le Chapon et la Poularde (1763)". Dialogue by Voltaire, Dialogue XIV. " Bartlett's Familiar Quotations, 10th edition", 1919.
Letter to Duc de Richelieu, 18 June 1744. Although this saying is now associated with Voltaire, he is obviously quoting an Italian proverb here. The French form, which he used later, is Le mieux est l'ennemi du bien.
Dictionnaire Philosophique "Women" (1764)