Marquis de Sade : (3) " Lust is to the other passions what the nervous fluid is to life; it supports them all, lends strength to them all ambition, cruelty, avarice, revenge, are all founded on lust. " - Marquis de Sade " ‘Sex’ is as important as eating or drinking and we ought to allow the one appetite to be satisfied with as little restraint or false modesty as the other. " - Marquis de Sade " Happiness lies neither in vice nor in virtue; but in the manner we appreciate the one and the other, and the choice we make pursuant to our individual organization. " - Marquis de Sade