Naturepitiless in a pitiless universeis certainly not concerned with the survival of Americans or, for that matter, of any of the two billion people now inhabiting this earth. Hence, our destiny, with the aid of God, remains in our own hands.

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.

I do not think it is "selling America short" when we ask a great deal of her; on the contrary, it is those who ask nothing, those who see no fault, who are really selling America short!

In the long course of history, having people who understand your thought is much greater security than another submarine.

What a curious picture it is to find man, homo sapiens, of divine origin, we are told, seriously considering going underground to escape the consequences of his own folly. With a little wisdom and foresight, surely it is not yet necessary to forsake life in the fresh air and in the warmth of the sunlight. What a paradox if our own cleverness in science should force us to live underground with the moles.

Naturepitiless in a pitiless universeis certainly not concerned with the survival of Americans or, for that matter, of any of the two billion people now inhabiting this earth. Hence, our destiny, with the aid of God, remains in our own hands.

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.