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is not rash to say that it will continue to operate in the future--at least upon all life existing in a state of nature.
Man, preeminent though he is in the animal kingdom, capable of reacting upon and making suitable an unsuitable environment, nevertheless remains the creature of this same law of development. The social selection to which he is subject is merely another form of natural selection. True, within certain narrow limits he modifies the struggle for existence and renders less precarious the tenure of life for the weak. The extremely weak, diseased, and inefficient are housed in hospitals and asylums. The strength of the viciously strong, when inimical to society, is tempered by penal institutions and by the gallows.
