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Rh stated, involves the perfections (whatever we may hereafter determine these to be) of his body, affections, and intelligence. The material things, therefore, which it is the object of political economy to produce and use, (or accumulate for use,) are things which serve either to sustain and comfort the body, or exercise rightly the affections and form the intelligence. Whatever truly serves either of these purposes is "useful" to man, wholesome, healthful, helpful, or holy. By seeking such things, man prolongs and increases his life upon the earth.

On the other hand, whatever does not serve either of these purposes,—much more whatever counteracts them,—is in like manner useless to man, unwholesome, unhelpful, or unholy; and by seeking such things man shortens and diminishes his life upon the earth.

9. And neither with respect to things useful or useless can man's estimate of them alter their nature. Certain substances being good for his food, and others noxious to him, what he thinks or wishes respecting them can neither change, nor prevent, their power. If