Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason, than that of blind-folded fear.

To take a single step beyond the text would be to take possession of a boundless field of power.

The fantastical idea of virtue and the public good being a sufficient security to the state against the commission of crimes, which you say you have heard insisted on by some, I assure you was never mine.

preach, my dear Sir, a crusade against ignorance; establish & improve the law for educating the common people.

The legitimate powers of government extend to such acts only as are injurious to others.

It is better to have no ideas than false ones.

A room without books is like a life without meaning.