There is no way by which a scientific pacifist can make sure that his discoveries or inventions will not be used to increase the destruction in the next struggle. Nevertheless, there is, speaking broadly, a distinction between the kinds of skill that find most scope in peace and those that find most scope in war. In so far as such a distinction exists, a man's love of power will incline him to peace if his skill is of the former kind, and to war if it is of the latter.
Source: Power, 1938.
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