I used to read in books how our fathers persecuted mankind. But I never appreciated it. I did not really appreciate the infamies that have been committed in the name of religion, until I saw the iron arguments that Christians used. I saw the Thumbscrew—two little pieces of iron, armed on the inner surfaces with protuberances, to prevent their slipping; through each end a screw uniting the two pieces. And when some man denied the efficacy of baptism, or may be said, 'I do not believe that a fish ever swallowed a man to keep him from drowning,' then they put his thumb between these pieces of iron and in the name of love and universal forgiveness, began to screw these pieces together. When this was done most men said, 'I will recant.' Probably I should have done the same. Probably I would have said: 'Stop; I will admit anything that you wish; I will admit that there is one god or a million, one hell or a billion; suit yourselves; but stop.' But there was now and then a man who would not swerve the breadth of a hair. There was now and then some sublime heart, willing to die for an intellectual conviction. Had it not been for such men, we would be savages to-night. Had it not been for a few brave, heroic souls in every age, we would have been cannibals, with pictures of wild beasts tattooed upon our flesh, dancing around some dried snake f

The Liberty of Man