I have not the hope of being immortal, because the desire of it has not given me that vanity.

The following general definition of an animal: a system of different organic molecules that have combined with one another, under the impulsion of a sensation similar to an obtuse and muffled sense of touch given to them by the creator of matter as a whole, until each one of them has found the most suitable position for its shape and comfort.

There is not a Musselman alive who would not imagine that he was performing an action pleasing to God and his Holy Prophet by exterminating every Christian on earth, while the Christians are scarcely more tolerant on their side.

All children are essentially criminal.

Oh! how near are genius and madness! Men imprison them and chain them, or raise statues to them.

There is only one virtue, justice; only one duty, to be happy; only one corollary, not to overvalue life and not to fear death.

All things must be examined, debated, investigated without exception and without regard for anyone's feelings.