Page:An Enquiry Concerning Human Understanding - Hume (1748).djvu/86

 are determin'd by Custom alone to expect the one from the Appearance of the other. This Hypothesis seems even the only one, which explains the Difficulty, why we draw an Inference from a thousand Instances, which we are not able to draw from one Instance, that is, in no respect, different from them. Reason is incapable of any such Variation. The Conclusions it draws from considering one Circle are the same, which it would form upon surveying all the Circles in the Universe. But no Man, having seen only one Body move after being impell'd by another, could infer, that every other Body will move after a like Impulse. All Inferences from Experience, therefore, are Effects of Custom, not of Reasoning.