Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.

We have people who believe they are scientifically literate but, in fact, are not.

Imagination alone is not enough, because the reality of nature is far more wondrous than anything we can imagine

Deep down within anyone there's a flame that maybe had gone dormant that can be fanned or ignited in case it had blown out. This is the flame of curiosity, the flame of wonder, of awe, of all the things that make you want to learn something more tomorrow than you knew today.

You don't discard Newton. Newton becomes the limiting case of how you would apply Einstein's theories.

We are star dust in the highest exalted way, called by the universe, reaching out to the universe

With ticket prices, do you ask yourself, why I'm paying $70 to see the arts? You say, "No, that's what the symphony is costing me."