The unhappy of all men is he who believes himself to be so.

Virtue, like wholesome food, is better than poisons, however corrected.

Anything that is conceivable is possible.

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

The mind is a kind of theater, where several perceptions successively make their appearence; pass, re-pass, glide away, and mingle in an infinite variety of postures and situations.

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

Never literary attempt was more unfortunate than my Treatise of Human Nature. It fell dead-born from the press.