We must formulate, with both imagination and restraint, a new approach to the Middle East - not pressing our case so hard that the Arabs feel their neutrality and nationalism are threatened ... while at the same time trying to hasten the inevitable Arab acceptance of the permanence of Israel ... We must ... seek a permanent settlement among Arabs and Israelis based not on an armed truce but on mutual self-interest.

The basis of effective government is public confidence, and that confidence is endangered when ethical standards falter or appear to falter.

Let us welcome controversial books and controversial authors.

We must recognize that every nation determines its policies in terms of its own interests.

If men and women are in chains anywhere in the world, then freedom is endangered everywhere.

When written in Chinese, the word 'crisis' is composed of two characters. One represents danger and the other represents opportunity.

Malthus argued a century and a half ago that man, by using up all his available resources, would forever press on the limits of subsistence, thus condemning humanity to an indefinite future of misery and poverty. We can now begin to hope and, I believe, know that Malthus was expressing not a law of nature, but merely the limitation then of scientific and social wisdom. The truth or falsity of his prediction will depend now, with the tools we have, on our own actions, now and in the years to come.