Page:The Prose Works of Percy Bysshe Shelley (Volume 2).djvu/66

 sufficient to excite the one half of the world to massacre the other.

I am willing to admit that some few axioms of morality, which Christianity has borrowed from the philosophers of Greece and India, dictate, in an unconnected state, rules of conduct worthy of regard; but the purest and most elevated lessons of morality must remain nugatory, the most probable inducements to virtue must fail of their effect, so long as the slightest weight is attached to that dogma which is the vital essence of revealed religion.

Belief is set up as the criterion of merit or demerit; a man is to be judged not by the purity of his intentions but by the orthodoxy of his creed; an assent to certain propositions, is to outweigh in the balance of Christianity the most generous and elevated virtue.

But the intensity of belief, like that of every other passion, is precisely proportionate to the degrees of excitement. A graduated scale, on which should be marked the capabilities of propositions to approach to the test of the senses, would be a just measure of the belief which ought to be attached to them: and but for the influence of prejudice or ignorance this invariably is the measure of belief. That is believed which is apprehended to be true, nor can the mind by any exertion avoid attaching credit to an opinion attended with overwhelming evidence. Belief is not an act of volition, nor can it be regulated by the mind: it is manifestly incapable therefore of either