We do not discuss the anatomical, physiological, and mental characteristics of man considered as an individual; but we are interested in the diversity of these traits in groups of men found in different geographical areas and in different social classes.
If we were to select the most intelligent, imaginative, energetic, and emotionally stable third of mankind, all races would be present.
Remember that in every single case in history the process of adaptation has been one of exceeding slowness. Do not look for the impossible, but do not let your path deviate from the quiet and steadfast insistence on full opportunities for your powers.
My father had retained an emotional affection for the ceremonial of his parental home, without allowing it to influence his intellectual freedom.
I hope I may have succeeded in presenting to you, however imperfectly, the currents of thought due to the work of the immortal Darwin which have helped to make anthropology what it is at the present time.