No kind of sensation is keener and more active than that of pain its impressions are unmistakable.

In libertinage, nothing is frightful, because everything libertinage suggests is also a natural inspiration; the most extraordinary, the most bizarre acts, those which most arrantly seem to conflict with every law, every human institution... even those that are not frightful, and there is not one amongst them all that cannot be demonstrated within the boundaries of nature.

The primary and most beautiful of Nature's qualities is motion, which agitates her at all times, but this motion is simply a perpetual consequence of crimes, she conserves it by means of crimes only.

Destruction, hence, like creation, is one of Nature's mandates.

Every principle is a judgment, every judgment the outcome of experience, and experience is only acquired by the exercise of the senses . . .

There is a kind of pleasure which comes from sacrilege or the profanation of the objects offered us for worship.

Crime is the soul of lust. What would pleasure be if it were not accompanied by crime? It is not the object of debauchery that excites us, rather the idea of evil.