We are inclined to confuse freedom and democracy, which we regard as moral principles, with the way in which they are practiced in America with capitalism, federalism, and the two-party system, which are not moral principles but simply the preferred and accepted practices of the American people.

The preservation of our free society in the years and decades to come will depend ultimately on whether we succeed or fail in directing the enormous power of human knowledge to the enrichment of our own lives and the shaping of a rational and civilized world order....It is the task of education, more than any other instrument of foreign policy to help close the dangerous gap between the economic and technological interdependence of the people of the world and their psychological, political and spiritual alienation.

The biggest lesson I learned from Vietnam is not to trust [our own] government statements.

In a democracy dissent is an act of faith. Like medicine, the test of its value is not in its taste, but in its effects.

To criticize one's country is to do it a service.... Criticism, in short, is more than a right; it is an act of patriotism-a higher form of patriotism, I believe, than the familiar rituals and national adulation.

There are two Americas. One is the America of Lincoln and Adlai Stevenson; the other is the America of Teddy Roosevelt and the modern superpatriots. One is generous and humane, the other narrowly egotistical; one is self-critical, the other self-righteous; one is sensible, the other romantic; one is good-humored, the other solemn; one is inquiring, the other pontificating; one is moderate, the other filled with passionate intensity; one is judicious and the other arrogant in the use of great power.

There has been a strong tradition in this country that it is not the function of the military to educate the public on political issues.