Children, as well as grown-ups, in their individual, glorified, drudgery-proof homes of Labrador, the tropics, the Orient, or where you will, to which they can pass with pleasure and expedition by means of ever-improving transportation, will be able to tune in their television and radio to the moving picture lecture of, let us say, President Lowell of Harvard; the professor of Mathematics of Oxford; of the doctor of Indian antiquities of Delhi, etc.

A problem adequately stated is a problem well on its way to being solved.

I must reorganize the environment of man by which then greater numbers of men can prosper.

I'm not trying to copy Nature, I'm trying to find the principles she's using.

I live on Earth at present, and I don’t know what I am. I know that I am not a category. I am not a thing — a noun. I seem to be a verb, an evolutionary process – an integral function of the universe.

When I am working on a problem, I never think about beauty but when I have finished, if the solution is not beautiful, I know it is wrong.

Technologically we now have four [seven!] billion billionaires on board Spaceship Earth who are entirely unaware of their good fortune.