A society is a group whose members have more relationships with one another then they do with outsiders.

A civilization is complicated, in the first place, because it is dynamic; that is, it is constantly changing in the passage of time, until it has perished.

The hope for the twentieth century rests on recognition that war and depression are man-made, and needless. They can be avoided in the future by turning from the nineteenth-century characteristics just mentioned (materialism, selfishness, false values, hypocrisy, and secret vices) and going back to other characteristics that our Western Society has always regarded as virtues: generosity, compassion, cooperation, rationality, and foresight, and finding a increased role in human life for love, spirituality, charity, and self discipline.

The history of the last century shows, as we shall see later, that the advice given to governments by bankers, like the advice they gave to industrialists, was consistently good for bankers, but was often disastrous for governments, businessmen, and the people generally.

On this basis, which was originally financial and goes back to George Peabody, there grew up in the twentieth century a power structure between London and New York which penetrated deeply into university life, the press, and the practice of foreign policy.

After years of work in both areas of study, I concluded that the social sciences were different, in many important ways, from the natural sciences, but that the same scientific methods were applicable in both areas, and, indeed, that no very useful work could be done in either area except by scientific methods.

Even today few scientists and perhaps even fewer nonscientists realize that science is a method and nothing else.