If the Pentateuch be true, religious persecution is a duty. The dungeons of the Inquisition were temples, and the clank of every chain upon the limbs of heresy was music in the ear of God. If the Pentateuch was inspired, every heretic should be destroyed; and every man who advocates a fact inconsistent with the sacred book, should be consumed by sword and flame.In the Old Testament no one is told to reason with a heretic, and not one word is said about relying upon argument, upon education, nor upon intellectual development—nothing except simple brute force. Is there to-day a christian who will say that four thousand years ago, it was the duty of a husband to kill his wife if she differed with him upon the subject of religion? Is there one who will now say that, under such circumstances, the wife ought to have been killed? Why should God be so jealous of the wooden idols of the heathen? Could he not compete with Baal? Was he envious of the success of the Egyptian magicians? Was it not possible for him to make such a convincing display of his power as to silence forever the voice of unbelief? Did this God have to resort to force to make converts? Was he so ignorant of the structure of the human mind as to believe all honest doubt a crime? If he wished to do away with the idolatry of the Canaanites, why did he not appear to them? Why did he not give them the tables of the law? Why did he only make known his will to a few wandering savages in the desert of Sinai? Will some theologian have the kindness to answer these questions? Will some minister, who now believes in religious liberty, and eloquently denounces the intolerance of Catholicism, explain these things; will he tell us why he worships an intolerant God? Is a god who will burn a soul forever in another world, better than a christian who burns the body for a few hours in this? Is there no intellectual liberty in heaven? Do the angels all discuss questions on the same side? Are all the investigators in perdition? Will the penitent thief, winged and crowned, laugh at the honest folks in hell? Will the agony of the damned increase or decrease the happiness of God? Will there be, in the universe, an eternal auto da fe?

~ Robert G. Ingersoll

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

~ Robert G. Ingersoll