If the United Nations is to survive, those who represent it must bolster it; those who advocate it must submit to it; and those who believe in it must fight for it.

Wisdom consists of the anticipation of consequences.

Laughter may or may not activate the endorphins or enhance respiration, as some medical researchers contend. What seems clear, however, is that laughter is an antidote to apprehension and panic.

All things are possible, once enough human beings realize that everything is at stake.

The need is not to amputate the ego ... but to transcend it.

The eternal quest of the individual human being is to shatter his loneliness.

To be able to rise from the earth; to be able, from a station in outer space, to see the relationship of the planet earth to other planets; to be able to contemplate the billions of factors in precise and beautiful combination that make human existence possible; to be able to dwell on an encounter of the human brain and spirit with the universe