Twenty years after the death of Luther there were more Catholics than when he was born. And twenty years after the death of Voltaire there were millions less than when he was born.

I would rather be a beggar and spend my money like a king, than be a king and spend money like a beggar.

Epithets are not arguments. Abuse does not persuade.

Blasphemy is an epithet bestowed by superstition upon common sense.

Give any orthodox church the power, and to-day they would punish heresy with whip, and chain, and fire. As long as a church deems a certain belief essential to salvation, just so long it will kill and burn if it has the power.

If God objected to [people with various handicaps], he ought not have created such people.

We have at last ascertained that miracles can be perfectly understood; that there is nothing mysterious about them; that they are simply transparent falsehoods.