As children we all wonder - we wonder all the time. And that gets lost in adulthood. It gets beaten out, it gets filtered out or diluted out.

When I would lose matches, I fully respected the person who beat me, because they beat me. I can't blame anybody.

The value of science is not simply what the next model of the iPod you will buy next week, but its real value comes about when it's time to distinguish reality from everything else. And to be scientifically literate is to be trained in what it is, to recognize your own frailty as a data-taking device.

This universe knows about me and my crops.

Rational thoughts never drive people's creativity the way emotions do.

I can't think that leaving Earth once is enough.

Countless women are alive today because of ideas stimulated by a design flaw in the Hubble Space Telescope.