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.

Don't have children: they deform women's bodies and turn into an enemy 20 years later.

Fear not lest precautions and protective contrivances diminish your pleasure: mystery only adds thereto.

Happiness is an abstraction, it is a product of the imagination, it is a way of being moved, which depends entirely on our way of seeing and feeling.

The primary and most beautiful of nature's qualities is motion

Sex is as important as eating or drinking and we ought to allow the one appetite to be satisfied with as little restraint or false modesty as the other.

So long as the laws remain such as they are today, employ some discretion: loud opinion forces us to do so; but in privacy and silence let us compensate ourselves for that cruel chastity we are obliged to display in public.