Men of genius are admired, men of wealth are envied, men of power are feared; but only men of character are trusted.

It is from among such individuals that all human failures spring.

The goal of the human soul is conquest, perfection, security, superiority.

The style of life is a unity because it has grown out of the difficulties of early life and out of the striving for a goal.

The mathematical life of a mathematician is short. Work rarely improves after the age of twenty-five or thirty. If little has been accomplished by then, little will ever be accomplished.

War is not the continuation of politics with different means, it is the greatest mass-crime perpetrated on the community of man.

A simple rule in dealing with those who are hard to get along with is to remember that this person is striving to assert his superiority; and you must deal with him from that point of view.