The Jewish nation dares to display an irreconcilable hatred toward all nations, and revolts against all masters; always superstitious, always greedy for the well-being enjoyed by others, always barbarous - cringing in misfortune and insolent in prosperity.

I am the best-natured creature in the world, and yet I have already killed three, and of these three two were priests.

If you wish to obtain a great name or to found an establishment, be completely mad; but be sure that your madness corresponds with the turn and temper of your age.

The system of Descartes... seemed to give a plausible reason for all those phenomena; and this reason seemed more just, as it is simple and intelligible to all capacities. But in philosophy, a student ought to doubt of the things he fancies he understands too easily, as much as of those he does not understand.

If you want to kill Christianity you must abolish Sunday.

The man who, in a fit of melancholy, kills himself today, would have wished to live had he waited a week.

Everything's fine today, that is our illusion.