Consisting mostly of recirculating scrapped metals, 80% of all the metals that have ever been mined are still at work.

Whatever humans have learned had to be learned as a consequence only of trial and error experience. Humans have learned only through mistakes.

Integrity is the courage and self-discipline to cooperate and initiate according to the Divine, which you know in your heart as Truth.

... reform the environment and not man; being absolutely confident that if you give man the right environment, he will behave favorably.

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

Of course, our failures are a consequence of many factors, but possibly one of the most important is the fact that society operates on the theory that specialization is the key to success, not realizing that specialization precludes comprehensive thinking.

I call intuition cosmic fishing. You feel a nibble, then you've got to hook the fish.