I will not invade the rights of others. You have no right to erect your toll-gate upon the highways of thought. You have no right to leap from the hedges of superstition and strike down the pioneers of the human race. You have no right to sacrifice the liberties of man upon the altars of ghosts. Believe what you may; preach what you desire; have all the forms and ceremonies you please; exercise your liberty in your own way but extend to all others the same right.
Robert Green Ingersoll – “The Ghosts” (1877)