I gambled on having the strength to live two lives, one for myself and one for the world.

We must accept all the implications of our human inheritance, one of the most important of which is the small scope of biologically transmitted behavior, and the enormous role of the cultural process of the transmission of tradition.

A man's indebtedness is not virtue; his repayment is. Virtue begins when he dedicates himself actively to the job of gratitude.

Culture, with its processes and functions, is a subject upon which we need all the enlightenment we can achieve, and there is no direction in which we can seek with greater reward than in the facts of pre-literate societies.

The life history of the individual is first and foremost an accommodation to the patterns and standards traditionally handed down in his community

Racism is the dogma that one ethnic group is condemned by nature to congenital inferiority and another group is destined to congenital superiority.

If we justify war, it is because all peoples always justify the traits of which they find themselves possessed, not because war will bear an objective examination of its merits