My parents had broken through the shackles of dogma

My parents had broken through the shackles of dogma

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.

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

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.

If we were to select the most intelligent, imaginative, energetic, and emotionally stable third of mankind, all races would be present.