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 SadeFor mortal men there is but one hell, and that is the folly and wickedness and spite of his fellows; but once his life is over, there's an end to it: his annihilation is final and entire, of him nothing survives.
Marquis de SadeHow delicious to corrupt, to stifle all semblances of virtue and religion in that young heart!
Marquis de SadeIf God permits virtue to be persecuted on earth, it is not for us to question his intentions. It may be that his rewards are held over for another life, for is it not true as written in Holy Scripture that the Lord chastenenth only the righteous! And after all, is not virtue it's own reward?
Marquis de Sade