No limits whatever are placed to the productions of the earth; they may increase forever.
Thomas MalthusThe 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.
Thomas MalthusThe finest minds seem to be formed rather by efforts at original thinking, by endeavours to form new combinations, and to discover new truths, than by passively receiving the impressions of other men's ideas.
Thomas Malthus