Never presume that just because you disagree with an idea that you must be correct.

That's the point, to get the people who wouldn't otherwise think to eavesdrop on a conversation that involves science.

It's a weird state to be in to go to the Bible and try to invoke science, right?

The molecules that comprise our body are traceable to the crucibles of the centers of stars.These atoms and molecules are in us because, in fact, the universe is in us. And, we are not only figuratively, but literally, stardust.

Whether or not you can become great at something, you can always become better.

A successful day for me is when I teach people something. They become enlightened by an idea and learn how to think about it, so that later on when someone says, "Tell me about x, y, z," they don't have to say, "I know this because Tyson told me." No, they'll say, "Here's why it's true because I know and understand it."

To the scientist, the universality of physical laws makes the cosmos a marvelously simple place. By comparison, human nature-the psychologist's domain-is infinitely more daunting.