Prayer, like radium, is a luminous and self-generating form of energy.

The atmosphere of libraries, lecture rooms and laboratories is dangerous to those who shut themselves up in them too long. It separates us from reality like a fog.

Hard conditions of life are indispensable to bringing out the best in human personality.

All of us, at certain moments of our lives, need to take advice and to receive help from other people.

Those who don't learn to fight worry, die young.

The secret of life is to be found in life itself, in the full organic, intellectual and spiritual activities of our body.

...in recognition of his work on vascular suture and the transplantation of blood-vessels and organs.