All laws for the purpose of making man worship God, are born of the same spirit that kindled the fires of the auto da fe, and lovingly built the dungeons of the Inquisition. All laws defining and punishing blasphemy - making it a crime to give your honest ideas about the Bible, or to laugh at the ignorance of the ancient Jews, or to enjoy yourself on the Sabbath, or to give your opinion of Jehovah, were passed by impudent bigots, and should be at once repealed by honest men. An infinite God ought to be able to protect himself, without going in partnership with State Legislatures.

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.

If a man really believes that God once upheld slavery; that he commanded soldiers to kill women and babes; that he believed in polygamy; that he persecuted for opinion's sake; that he will punish forever, and that he hates an unbeliever, the effect in my judgment will be bad. It always has been bad. This belief built the dungeons of the Inquisition. This belief made the Puritan murder the Quaker.

The savage prays to a stone that he calls a god, while the Christian prays to a god he calls a spirit, and the prayers of both are equally useful.

Love is natural. Back of allceremony burns and will forever burn the sacred flame. There has been no time in the world's history when that torch was extinguished. In all ages, in all climes, among all people, there has been true, pure, and unselfish love.

No man of sense in the whole world believes in devils any more than he does in mermaids, vampires, gorgons, hydras, naiads, dryads, nymphs, fairies, the Fountain of Youth, [or] the Philosopher's Stone. . . .

If I had my way I'd make health catching instead of disease.