Our little Spaceship Earth is only eight thousand miles in diameter, which is almost a negligible dimension in the great vastness of space.... Spaceship Earth was so extraordinarily well invented and designed that to our knowledge humans have been on board it for two million years not even knowing that they were on board a ship.

God is a verb, not a noun.

When individuals join in a cooperative venture, the power generated far exceeds what they could have accomplished acting individually.

Real wealth is ideas plus energy.

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.

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

...doing more with less.