“The first business of philosophy is to account for things as they are; and till our theories will do this, they ought not to be the ground of any practical conclusion.”

Book I, Introduction, p. 8
Principles of Political Economy (Second Edition 1836)

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Thomas Robert Malthus 60
British political economist 1766–1834

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“Later Philosophers banish the Consideration of such a Cause out of natural Philosophy, feigning Hypotheses for explaining all things mechanically, and referring other Causes to Metaphysicks: Whereas the main Business of natural Philosophy is to argue from Phenomena without feigning Hypotheses, and to deduce Causes from Effects, till we come to the very first Cause, which certainly is not mechanical.”

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