Truth titillates the imagination far less than fiction.

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.

The degradation which characterizes the state into which you plunge him by punishing him pleases, amuses, and delights him. Deep down he enjoys having gone so far as to deserve being treated in such a way.

The mechanism that directs government cannot be virtuous, because it is impossible to thwart every crime, to protect oneself from every criminal without being criminal too; that which directs corrupt mankind must be corrupt itself; and it will never be by means of virtue, virtue being inert and passive, that you will maintain control over vice, which is ever active: the governor must be more energetic than the governed.

Religions are the cradles of despotism.

The ultimate triumph of philosophy would be to cast light upon the mysterious ways in which Providence moves to achieve the designs it has for man.

Happiness lies only in that which excites, and the only thing that excites is crime.