All, all is theft, all is unceasing and rigorous competition in nature; the desire to make off with the substance of others is the foremost - the most legitimate - passion nature has bred into us and, without doubt, the most agreeable one.

One must do violence to the object of one's desire; when it surrenders, the pleasure is greater.

It is not the opinions or the vices of private individuals that are harmful to the State, but rather the behavior of public figures.

I don't know what the heart is, not I: I only use the word to denote the mind's frailties.

Evil is... a moral entity and not a created one, an eternal and not a perishable entity: it existed before the world; it constituted the monstrous, the execrable being who was also to fashion such a hideous world. It will hence exist after the creatures which people this world

Do not breed. Nothing gives less pleasure than childbearing. Pregnancies are damaging to health, spoil the figure, wither the charms, and it's the cloud of uncertainty forever hanging over these events that darkens a husband's mood.

Lycurgus, Numa, Moses, Jesus Christ, Mohammed, all these great rogues, all these great thought-tyrants, knew how to associate the divinities they fabricated with their own boundless ambition.