The few have said, Think! The many have said, Believe! The first doubt was the womb and cradle of progress, and from the first doubt, man has continued to advance.

Good nature is the cheapest commodity in the world.

Reason is the light, the sun of the brain. It is the compass of the mind, the ever-constant Northern Star, the mountain peak that lifts itself above all clouds.

It is an old habit with theologians to beat the living with the bones of the dead.

An infinite personality is an infinite impossibility.

If the Bible and my brain are both the work of the same infinite God, whose fault is it that the book and my brain do not agree?

He [The Improved Man] will enjoy not only the sunshine of life, but will bear with fortitude the darkest days. He will have no fear of death. About the grave, there will be no terrors, and his life will end as serenely as the sun rises.