The recent upsurge of public concern over environmental questions reflects a belated recognition that man has been too cavalier in his relations with nature. Unless we arrest the depredations that have been inflicted so carelessly on our natural systems-which exist in an intricate set of balances-we face the prospect of ecological disaster.

To me, the most unhappy people in the world are the people ... in Palm Beach- Going to parties every night. Playing golf every afternoon, then bridge. [They have] no purpose.

If you think the United States has stood still, who built the largest shopping center in the world?

I always remember that whatever I have done in the past or may do in the future, Duke University is responsible in one way or another.

The greatest honor history can bestow is the title of peacemaker.

Let us remember that the main purpose of American aid is not to help other nations, but to help ourselves.

Those who hate you don't win unless you hate them back.