The passion for seeking the truth for truth's sake can be kept alive only if we continue to seek the truth for truth's sake.

It is our task to inquire into the causes that have brought about the observed differentiation, and to investigate the sequence of events that have led to the establishment of the multifarious forms of human life

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.

I object to teaching of slogans intended to befog the mind, of whatever kind they may be

No one has ever proved that a human being, through his descent from a certain group of people, must of necessity have certain mental characteristics.

Furthermore, the study of the present surroundings is insufficient: the history of the people, the influence of the regions through which it has passed on its migrations, and the people with whom it came into contact, must be considered

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