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

The heart of the matter is that some people like to cause injury or death to living things. And many of those who do not are indifferent to those who do.

Words have to be crafted, not sprayed. They need to be fitted together with infinite care.

If there is a conflict between the easy drift of prosperity and the ordeal of peace, the ordeal of peace comes first.

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

Cynicism is intellectual treason.

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