Man is not committed in detail by his biological constitution to any particular variety of behavior.

It is strange how long we rebel against a platitude until suddenly in a different lingo it looms up again as the only verity.

As a matter of history great developments in art have often been remarkably separate from religious motivation and use.

No man ever looks at the world with pristine eyes. He sees it edited by a definite set of customs and institutions and ways of thinking.

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.

The peoples of the earth are one family.

The prime lesson the social sciences can learn from the natural sciences is just this: that it is necessary to press on to find the positive conditions under which desired events take place, and that these can be just as scientifically investigated as can instances of negative correlation. This problem is beyond relativity.