Let the human mind loose. It must be loose. It will be loose. Superstition and dogmatism cannot confine it.

Let us tenderly and kindly cherish, therefore, the means of knowledge. Let us dare to read, think, speak, and write.

Slavery is a foul contagion in the human character.

[T]he liberty, the unalienable, indefeasible rights of men, the honor and dignity of human nature, the grandeur and glory of the public, and the universal happiness of individuals, were never so skillfully and successfully consulted as in that most excellent monument of human art, the common law of England.

I have examined all religions, and the result is that the Bible is the best book in the world.

Liberty, according to my metaphysics is a self-determining power in an intellectual agent. It implies thought and choice and power.

Popularity, next to virtue and wisdom, ought to be aimed at; for it is the dictate of wisdom, and is necessary to the practice of virtue inmost.