After all, all devices have their dangers. The discovery of speech introduced communication — and lies. The discovery of fire introduced cooking — an… - Isaac Asimov

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After all, all devices have their dangers. The discovery of speech introduced communication — and lies. The discovery of fire introduced cooking — and arson. The discovery of the compass improved navigation — and destroyed civilizations in Mexico and Peru. The automobile is marvelously useful — and kills Americans by the tens of thousands each year. Medical advances have saved lives by the millions — and intensified the population explosion.