They declaim against the passions without bothering to think that it is from their flame philosophy lights its torch.
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 SadeSexual pleasure is, I agree, a passion to which all others are subordinate but in which they all unite.
Marquis de Sade