Feeling a little small? Well, in the context of the cosmos, we are small.

In the first year of a child's life we teach them to walk and talk. And then for the rest of their lives we want them to sit down and be quiet.

The universe's destiny has very little to do with the near-term destiny of Earth.

We still refer to sunrise, sunset. That only has meaning if you think that Earth is in the center of things, and everything is moving around us. So even though we know intellectually Earth goes around the sun, the language is still pre-Copernican, as we would call it.

After 50 years of television, there's no other conclusion the aliens could draw, but that most humans are neurotic, death-hungry, dysfunctional idiots.

You innovate in ways that stoke your economy. Because innovations in science and technology are the engines of 21st century economies.

No one is dumb who is curious.