Dread not infanticide; the crime is imaginary: we are always mistress of what we carry in our womb, and we do no more harm in destroying this kind of matter than in evacuating another, by medicines, when we feel the need.

In order to know virtue, we must first acquaint ourselves with vice.

Anything beyond the limits and grasp of the human mind is either illusion or futility; and because your god having to be one or the other of the two, in the first instance I should be mad to believe in him, and in the second a fool.

Virtue can procure only an imaginary happiness; true felicity lies only in the senses, and virtue gratifies none of them.

It has, moreover, been proven that horror, nastiness, and the frightful are what give pleasure when one fornicates. Beauty is a simple thing; ugliness is the exceptional thing. And fiery imaginations, no doubt, always prefer the extraordinary thing to the simple thing.

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.

No lover, if he be of good faith, and sincere, will deny he would prefer to see his mistress dead than unfaithful.