At thirty most men have prejudices rather than opinions-that is to say, rather than judgments-and few men have lived to be sixty without materially modifying the opinions they held at thirty.

Commerce is the great civilizer. We exchange ideas when we exchange fabrics.

It is impossible for me to conceive of a character more utterly detestable than that of the Hebrew god.

Sometime, it will be found that people can be changed only by changing their surroundings. It is alleged that, at least ninety-five percent of the criminals transported from England to Australia and other penal colonies, became good and useful citizens in a new world.

In nature there are neither rewards nor punishments; there are consequences.

This crime called blasphemy was invented by priests for the purpose of defending doctrines not able to take care of themselves.

We are told in the Pentateuch, that god, the father of us all, gave thousands of maidens, after having killed their fathers, their mothers, and their brothers, to satisfy the brutal lusts of savage men. If there be a god, I pray him to write in his book, opposite my name, that I denied this lie for him.