Where did the concept of "without borders" come from? No one had that concept until you saw Earth from space, illustrated not by a mapmaker who's color-coding political boundaries; it's illustrated by nature itself and there's land, there's ocean, there's atmosphere.

There are street artists. Street musicians. Street actors. But there are no street physicists. A little known secret is that a physicist is one of the most employable people in the marketplace - a physicist is a trained problem solver.

The universe is so amazing and so limitless, who wouldn't want to study the universe?

I want and need the artist to take me to new places, and the new place that Van Gogh took me not the sky as it is but the sky as he felt it. And the more of us that feel the universe, the better off we will be in this world.

Many people feel small because they're small and the universe is big, but I feel big.

I'm not hard to find. I'm all over the Internet.

You can make a stack high enough to reach the moon and back, and only then will you have used your 100 billion hamburgers. This is terrifying news to cows.