The three great elements of modern civilization, Gun powder, Printing, and the Protestant religion.

An everlasting lodestar, that beams the brighter in the heavens the darker here on earth grows the night.

It is a strange trade that of advocacy. Your intellect, your highest heavenly gift is hung up in the shop window like a loaded pistol for sale.

The thing is not only to avoid error, but to attain immense masses of truth.

No iron chain, or outward force of any kind, can ever compel the soul of a person to believe or to disbelieve.

They wrong man greatly who say he is to be seduced by ease. Difficulty, abnegation, martyrdom, death are the allurements that act on the heart of man.

Why did not somebody teach me the constellations, and make me at home in the starry heavens, which are always overhead, and which I don't half know to this day?