Death is not the greatest tragedy in life. The greatest tragedy is what dies inside us while we live. We need not fear death. We need fear only that we may exist without having sensed something of the possibilities that lie within human existence.

The old emphasis upon superficial differences that separate peoples must give way to education for citizenship in the human community.

All this sensory input, which begins in the brain, has its effect throughout the body.

A casual attitude toward human hurt and pain is the surest sign of educational failure.

The conquest of war and the pursuit of social justice... must become our grand preoccupation and magnificent obsession.

It is reasonable to expect the doctor to recognize that science may not have all the answers to problems of health and healing.

Silence must be comprehended as not solely the absence of sound. It is the natural environment for serenity and contemplation. Life without silence is life without privacy. The difference between sanity and madness is the quality of our thoughts. Silence is on the side of sanity.