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.

The cause of our difficulties in southeast Asia is not a deficiency of power but an excess of the wrong kind of power which results in a feeling of impotence when it fails to achieve its desired ends.

The citizen who criticizes his country is paying it an implied tribute.

There is an inevitable divergence between the world as it is and the world as men perceive it.

We have the power to do any damn fool thing we want to do, and we seem to do it about every ten minutes.

"Our government will soon become what it is already a long way toward becoming, an elective dictatorship.

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.