The Asiatics and the Africans, such as the Russians, the Arabs, the Hindus, are increasing with marked rapidity. Never have the European races been in such great peril as today.

All great men are gifted with intuition. They know without reasoning or analysis, what they need to know.

Perhaps I will stay in Chicago and operate on human beings instead of on dogs. From a business standpoint, it would be excellent. But, as I hate medical practice, I would like better to make little money in doing scientific work than a great deal in doing surgical operations.

The quality of life is more important than life itself.

To accomplish our destiny it is not enough to merely guard prudently against road accidents. We must also cover before nightfall the distance assigned to each of us.

As to virtue . . . it is an act of the will, a habit which increases the quantity, intensity and quality of life. It builds up, strengthens and vivifies personality.