The crucial differences which distinguish human societies and human beings are not biological. They are cultural.

liberty is the one thing no man can have unless he grants it to others.

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.

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

Racism is an ism to which everyone in the world today is exposed; for or against, we must take sides. And the history of the future will differ according to the decision which we make.

Culture is not a biologically transmitted complex

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