Dare to be naive.
God is a verb.
Humanity is acquiring all the right technology for all the wrong reasons.
Sometimes I think we're alone. Sometimes I think we're not. In either case, the thought is staggering.
When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong.
Nature is trying very hard to make us succeed, but nature does not depend on us. We are not the only experiment.
Either war is obsolete or men are.
Now there is one outstandingly important fact regarding Spaceship Earth, and that is that no instruction book came with it.
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.
Children are born true scientists. They spontaneously experiment and experience and reexperience again. They select, combine, and test, seeking to find order in their experiences - "which is the mostest? which is the leastest?" They smell, taste, bite, and touch-test for hardness, softness, springiness, roughness, smoothness, coldness, warmness: they heft, shake, punch, squeeze, push, crush, rub, and try to pull things apart.