The prediction I can make with the highest confidence is that the most amazing discoveries will be the ones we are not today wise enough to foresee.

I set before you two ways: You can use your technology to destroy yourselves or to carry you to the planets and the stars. It's up to you.

The visions we offer our children shape the future.

The universe forces those who live in it to understand it.

A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself is doomed. We are one planet.

A central lesson of science is that to understand complex issues (or even simple ones), we must try to free our minds of dogma and to guarantee the freedom to publish, to contradict, and to experiment. Arguments from authority are unacceptable.

The old appeals to racial, sexual and religious chauvinism to rabid nationalist fervor, are beginning not to work.