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

A human being fashions his consequences as surely as he fashions his goods or his dwelling. Nothing that he says, thinks or does is without consequences.

I have learned never to underestimate the capacity of the human mind and body to regenerate - even when prospects seem most wretched. The life force may be the least understood force on earth.

Where is the indignation about the fact that the US and USSR have thirty thousand pounds of destructive force for every human being in the world?

My reason nourishes my faith and my faith my reason.

In a democracy, the individual enjoys not only the ultimate power but carries the ultimate responsibility.

Fortunately or otherwise we live at a time when the average individual has to know several times as much in order to keep informed as he did only thirty or forty years ago. Being "educated" today requires not only more than a superficial knowledge of the arts and sciences, but a sense of inter-relationship such as is taught in few schools. Finally, being "educated" today, in terms of the larger needs, means preparation for world citizenship; in short, education for survival.