A President is best judged by the enemies he makes when he has really hit his stride.

Power politics existed before Machiavelli was ever heard of; it will exist long after his name is only a faint memory. What he did, like Harvey, was to recognize its existence and subject it to scientific study.

A world technology means either a world government or world suicide.

We cannot live by power, and a culture that seeks to live by it becomes brutal and sterile. But we can die without it.

The turning point in the process of growing up is when you discover the core of strength within you that survives all hurt.

The tourist who moves about to see and hear and open himself to all the influences of the places which condense centuries of human greatness is only a man in search of excellence.

We demand of our political life greater certainty and greater perfection than we demand of our personal life.