A share in two revolutions is living to some purpose.

The American constitutions were to liberty, what a grammar is to language: they define its parts of speech, and practically construct them into syntax

It is an affront to treat falsehood with complaisance.

As priestcraft was always the enemy of knowledge, because priestcraft supports itself by keeping people in delusion and ignorance, it was consistent with its policy to make the acquisition of knowledge a real sin.

The World is my country, all mankind are my brethren, and to do good is my religion.

The study of theology, as it stands in the Christian churches, is the study of nothing.

It is the duty of every man, as far as his ability extends, to detect and expose delusion and error.