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

Anthropology has reached that point of development where the careful investigation of facts shakes our firm belief in the far-reaching theories that have been built up. The complexity of each phenomenon dawns on our minds, and makes us desirous of proceeding more cautiously. Heretofore we have seen the features common to all human thought

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.

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

The existence of any pure race with special endowments is a myth, as is the belief that there are races all of whose members are foredoomed to eternal inferiority.

My parents had broken through the shackles of dogma

The disease of mutual distrust among nations is the bane of modern civilization

There is no fundamental difference in the ways of thinking of primitive and civilized man. A close connection between race and personality has never been established.