It is not my mode of thought that has caused my misfortunes, but the mode of thought of others.

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

It is only by enlarging the scope of one’s tastes and one’s fantasies, by sacrificing everything to pleasure, that the unfortunate individual called Man, thrown despite himself into this sad world, can succeed in gathering a few roses among life’s thorns

If the objects who serve us feel ecstacy, they are much more often concerned with themselves than with us, and our own enjoyment is consequently impaired. The idea of seeing another person experience the same pleasure reduces one to a kind of equality which spoils the unutterable charms that come from despotism.

'Til the infallibility of human judgements shall have been proved to me, I shall demand the abolition of the penalty of death.

Miserable creatures, thrown for a moment on the surface of this little pile of mud, is it decreed that one half of the flock should be the persecutor of the other? Is it for you, mankind, to pronounce on what is good and what is evil?

Never lose sight of the fact that all human felicity lies in man's imagination, and that he cannot think to attain it unless he heeds all his caprices. The most fortunate of persons is he who has the most means to satisfy his vagaries.