Custom, then, is the great guide of human life. It is that principle alone, which renders our experience useful to us, and makes us expect, for the future, a similar train of events with those which have appeared in the past.

I have written on all sorts of subjects... yet I have no enemies; except indeed all the Whigs, all the Tories, and all the Christians.

[Rousseau] has not had the precaution to throw any veil over his sentiments; and as he scorns to dissemble his contempt of established opinions, he could not wonder that all the zealots were in arms against him.

The heights of popularity and patriotism are still the beaten road to power and tyranny.

To have recourse to the veracity of the supreme Being, in order to prove the veracity of our senses, is surely making a very unexpected circuit.

Mohammed praises [instances of] tretchery, inhumanity, cruelty, revenge, and bigotry that are utterly incompatible with civilized society.

No quality of human nature is more remarkable, both in itself and in its consequences, than that propensity we have to sympathize with others, and to receive by communication their inclinations and sentiments, however different from, or even contrary to our own.