Not only are we here to protect the public from vicious criminals in the street but also to protect the public from harmful ideas.

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.

No man with a sense of humor ever founded a religion.

Only those who live on the labor of the ignorant are the enemies of science. Real love and real religion are in no danger from science. The more we know the safer all good things are.

Every pulpit is a pillory, in which stands a hired culprit, defending the justice of his own imprisonment.

If the people were a little more ignorant, astrology would flourish - if a little more enlightened, religion would perish.

In all ages, hypocrites, called priests, have put crowns upon the heads of thieves, called kings.