To study any subject properly we need to take its nature into account. You would not study an oil painting by detaching the picture from its frame, by endeavouring to clean off the paint, by reducing its canvas to its fibres, and finally by subjecting each of these substances to chemical analysis. In studying it from a chemical point of view you would have destroyed it. The “Mona Lisa” or the “Haywain” would be no more, and the world would be the poorer.
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