Religion is excellent stuff for keeping common people quiet.

In politics nothing is immutable. Events carry within them an invincible power.

There are only two forces that unite men - fear and interest. All great revolutions originate in fear, for the play of interests does not lead to accomplishment.

To be believed make the truth unbelievable.

It is a mistake, too, to say that the face is the mirror of the soul. The truth is, men are very hard to know, and yet, not to be deceived, we must judge them by their present actions, but for the present only.

All systems of morality are fine. The gospel alone has exhibited a complete assemblage of the principles of morality, divested of all absurdity. It is not composed, like your creed, of a few common-place sentences put into bad verse. Do you wish to see that which is really sublime? Repeat the Lord's Prayer.

There is no place in a fanatic's head where reason can enter.