"The powers, aspirations, and mission of man are such as to raise the study of his origin and nature, inevitably and by the very necessity of the case, from the mere physiological to the psychological stage of scientific operations."

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The mechanical and social achievements of our day must not blind our eyes to the fact that, in all that relates to man, his nature and aspirations, we have added little or nothing to what has been so finely said by the great men of old.

— James Loeb