Anger is a wind which blows out the lamp of the mind.

Intellectual liberty is the air of the soul, the sunshine of the mind, and without it, the world is a prison, the universe is a dungeon.

The Catholic Church is a thousand times better than your Protestant Church upon that question [of damnation]. The Catholic Church believes in purgatory - that is, a place where a fellow can get a chance to make a motion for a new trial.

No one can control his own opinion or his own belief. My belief was forced upon me by my surroundings. I am the product of all circumstances that have in any way touched me.

Grant others the same rights as you claim for yourself.

In all ages the people have honored those who dishonored them. They have worshiped their destroyers; they have canonized the most gigantic liars, and buried the great thieves in marble and gold. Under the loftiest monuments sleeps the dust of murder.

Honest investigation is utterly impossible within the pale of any church, for the reason, that if you think the church is right you will not investigate, and if you think it wrong, the church will investigate you.