The instrument of expansion of Classical civilization was a social organization, slavery.

For years I have told my students that I been trying to train executives rather than clerks. The distinction between the two is parallel to the distinction previously made between understanding and knowledge. It is a mighty low executive who cannot hire several people with command of more knowledge than he has himself.

Islam, the third in historical sequence of the ethical monotheistic religions of the Near East, was very successful in establishing its monotheism, but had only very moderate success in spreading its version of Jewish and Christian ethics to the Arabs.

Hitler's economic revolution in Germany had reduced financial considerations to a point where they played no role in economic or political decisions

Our political organization, based as it is on an eighteenth-century separation of powers and on a nineteenth-century nationalist state, is generally recognized to be semiobselete.

The very idea that there is some kind of conflict between science and religion is completely mistaken. Science is a method for investigating experience... Religion is the fundamental, necessary internalization of our system of more permanent values.

One of the chief reasons for the widespread fear of the Huns rested on their ability to travel very long distances in relatively short periods. This ability may well have been based on their use of horseshoes.