Epithets are not arguments. Abuse does not persuade.

The Catholics have a Pope. Protestants laugh at them, and yet the Pope is capable of intellectual advancement. In addition to this, the Pope is mortal, and the church cannot be afflicted with the same idiot forever. The Protestants have a book for their Pope. The book cannot advance. Year after year, and century after century, the book remains as ignorant as ever.

Nothing could be more dangerous to the existence of this Republic than to introduce religion into politics

When your little child tells a lie, do not rush at him as though the world were about to go into bankruptcy. Be honest with him. A tyrant father will have liars for his children; do you know that? A lie is born of tyranny upon the one hand and weakness upon the other, and when you rush at a poor little boy with a club in your hand, of course he lies.

A miracle is the badge and brand of fraud. ... No intelligent, honest man ever pretended to perform a miracle, and never will.

Argument cannot be answered with insults. Kindness is strength; anger blows out the lamp of the mind.

As a matter of fact, no one knows that God exists and no one knows that God does not exist. To my mind there is no evidence that God exists - that this world is governed by a being of infinite goodness, wisdom and power, but I do not pretend to know.