[Mankind's future] was always at the mercy of economic and sociological forces it did not understand — at the whims of climate, and the fortunes of w… - Isaac Asimov

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[Mankind's future] was always at the mercy of economic and sociological forces it did not understand — at the whims of climate, and the fortunes of war. Now the Machines understand them; and no one can stop them, since the Machines will deal with them as they are dealing with the Society, — having, as they do, the greatest of weapons at their disposal, the absolute control of our economy.