Page:An Essay on the Principle of Population (1798).djvu/280

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254
AN ESSAY ON THE

proved that the theory was not accurately true.

I am willing to allow that every voluntary act is preceded by a decision of the mind; but it is strangely opposite to what I should conceive to be the just theory upon the subject, and a palpable contradiction to all experience, to say that the corporal propensities of man do not act very powerfully, as disturbing forces, in these decisions. The question, therefore, does not merely depend, upon whether a man may be made to understand a distinct proposition, or be convinced by an unanswerable argument. A truth may be brought home to his conviction as a rational being, though he may determine to act contrary to it, as a compound being. The cravings of hunger, the love of liquor, the desire of possessing a beautiful woman, will

2
urge