One war, such as that of our Revolution, is enough for one life.

I am an Epicurean. I consider the genuine (not the imputed) doctrines of Epicurus as containing everything rational in moral philosophy which Greece and Rome have left us.

State a moral case to a plowman and a professor. The former will decide it as well, and often better than the latter, because he has not been led astray by artificial rules.

Fear can only prevail when victims are ignorant of the facts.

Question with boldness even the existence of a God; because, if there be one, he must more approve the homage of reason, than that of blindfolded fear.... Do not be frightened from this inquiry from any fear of its consequences. If it ends in the belief that there is no God, you will find incitements to virtue in the comfort and pleasantness you feel in its exercise.

The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.

My heart trembles when I reflect that God is just