If a free society cannot help the many who are poor, it cannot save the few who are rich.

It shall be the policy of this nation to regard any nuclear missile launched from Cuba as an attack by the Soviet Union on the United States.

Moral courage is more a rare commodity than bravery in a battle or great intelligence.

There is, in addition to a courage with which men die; a courage by which men must live.

We celebrate the past to awaken the future.

Science contributes to our culture in many ways, as a creative intellectual activity in its own right, as the light which has served to illuminate man's place in the universe, and as the source of understanding of man's own nature.

The purpose of foreign policy is not to provide an outlet for our own sentiments of hope or indignation; it is to shape real events in a real world.