I am neither Jew nor Gentile, Mahomedan nor Theist; I am but a member of the human family.

Of the thousands who have paid homage to virtue, barely one has thought to inspect the pedestal on which it stands.

I never walked through the streets of any city with as much satisfaction as those of Philadelphia. The neatness and cleanliness of all animate and inanimate things, houses, pavements, and citizens, is not to be surpassed.

What were the glories of the sun, if we knew not the gloom of darkness?

No man can see his own prejudices.

the leading error of the human mind, - the bane of human happiness - the perverter of human virtue ... is Religion - that dark coinage of trembling ignorance! It is Religion - that poisoner of human felicity! It is Religion - that blind guide of human reason! It is Religion - that dethroner of human virtue! which lies at the root of all the evil and all the misery that pervade the world!

Many are called impious, not for having a worse, but a different religion from their neighbors; and many atheistical, not for the denying of God, but for thinking somewhat peculiarly concerning him.