Page:Queen Mab (Shelley).djvu/132

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126
NOTES.

But the God of Theologians is incapable of local visibility.

2d. Reason. It is urged that man knows that whatever is, must either have had a beginning, or have existed from all eternity: he also knows, that whatever is not eternal must have had a cause. When this reasoning is applied to the universe, it is necessary to prove that it was created: until that is clearly demonstrated, we may reasonably suppose that it has endured from all eternity. We must prove design before we can infer a designer. The only idea which we can form of causation is derivable from the constant conjunction of objects, and the consequent inference of one from the other. In a case where two propositions are diametrically opposite, the mind believes that which is least incomprehensible;—it is easier to suppose that the universe has existed from all eternity, than to conceive a being beyond its limits capable of creating it: if the mind sinks beneath the weight of one, is it an alleviation to increase the intolerability of the burthen?

The other argument, which is founded on a man's knowledge of his own existence, stands thus. A man knows not only that he now is, but that once he was not; consequently there must have been a cause. But our idea of causation is alone derivable from the constant conjunction of objects and the consequen tinference of one from the other; and, reasoning experimentally, we can only infer from effects, causes exactly adequate to those effects. But there certainly is a generative power which is effected by certain instru-