Drive out prejudices through the door, and they will return through the window.
letter to Voltaire, 19 March 1771, in Oeuvres Complètes (1790) vol. 12
Drive out prejudices through the door, and they will return through the window.
letter to Voltaire, 19 March 1771, in Oeuvres Complètes (1790) vol. 12