Consider 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 SadeWere he supreme, were he mighty, were he just, were he good, this God you tell me about, would it be through enigmas and buffooneries he would wish to teach me to serve and know him?
Marquis de SadeIf the objects who serve us feel ecstacy, they are much more often concerned with themselves than with us, and our own enjoyment is consequently impaired. The idea of seeing another person experience the same pleasure reduces one to a kind of equality which spoils the unutterable charms that come from despotism.
Marquis de Sade