I regard as a mortal sin not only the lying of the senses in matters of love, but also the illusion which the senses seek to create where love is only partial. I say, I believe, that one must love with all of one's being, or else live, come what may, a life of complete chastity.
George Sand (1804–1876), French novelist. The Story of My Life, vol. 4, pt. 5, ch. 7 (1856).
Men could never adhere to this principle, Sand added, but women, "helped by shame and public opinion," can easily accept the doctrine once convinced of its worth. Her real name is Amandine-Aurore-Lucie Dupin, baronne Dudevant.