Never may an act of possession be exercised upon a free being; the exclusive possession of a woman is no less unjust than the possession of slaves; all men are born free, all have equal rights: never should we lose sight of those principles; according to which never may there be granted to one sex the legitimate right to lay monopolizing hands upon the other, and never may one of the sexes, or classes, arbitrarily possess the other.
Marquis de SadeConsider the problem from the point of view of evil, evil being almost always pleasure's true and major charm; considered thus, the crime must appear greater when perpetrated upon a being of your identical sort than when inflicted upon one which is not, and this once established, the delight automatically doubles.
Marquis de SadeNo lover, if he be of good faith, and sincere, will deny he would prefer to see his mistress dead than unfaithful.
Marquis de SadeDo not breed. Nothing gives less pleasure than childbearing. Pregnancies are damaging to health, spoil the figure, wither the charms, and it's the cloud of uncertainty forever hanging over these events that darkens a husband's mood.
Marquis de Sade