In a sense I feel very much a part of the cinema now in a way where when I come back to the theater now I feel like a visitor. The cinema is really what I enjoy. I want to do more independent movies.

We explore because we are curious, not because we wish to develop grand views of reality or better widgets.

When we look out into space, we are looking into our own origins, because we are truly children of the stars.

[The 1975 Chase Econometrics] showed that for every one dollar spent on Apollo, 14 came back into the U.S. economy.

One might say science is the sum total of our knowledge of the universe, the great library of the known, but the practice of science happens at the border between the known and the unknown. Standing on the shoulders of giants, we peer into the darkness with eyes opened not in fear but in wonder.

Look at that! If you ever needed convincing that we live in the solar system, that we are on a ball of rock, orbiting around the Sun with other balls of rock, then look at that! That's the solar system coming down and grabbing you by the throat.

You dig deeper and it gets more and more complicated, and you get confused, and it's tricky and it's hard, but... It is beautiful.