When I hear that a man is religious, I conclude he is a rascal!

In ancient times, bodily strength and dexterity, being of greater use and importance in war, was also much more esteemed and valued, than at present. ... In short, the different ranks of men are, in a great measure, regulated by riches.

When I am convinced of any principle, it is only an idea which strikes more strongly upon me. When I give the preference to one set of arguments above another, I do nothing but decide from my feeling concerning the superiority of their influence.

We find in the course of nature that though the effects be many, the principles from which they arise are commonly few and simple, and that it is the sign of an unskilled naturalist to have recourse to a different quality in order to explain every different operation.

Generally speaking, the errors in religion are dangerous; those in philosophy only ridiculous.

A miracle is a violation of the laws of nature; and as a firm and unalterable experience has established these laws, the proof against a miracle, from the very nature of the fact, is as entire as any argument from experience can possibly be imagined.

A man posing for a painting.