When Kennedy said, 'Let's go to the moon,' we didn't yet have a vehicle that wouldn't kill you on launch. He said we'll land a man on the moon in eight years and bring him back. That was an audacious goal to put forth in front of the American people.

There's no shortage of people that we can put on, because science touches us all.

A state of negative energy means that you are essentially getting something for nothing.

Let's invent a new tomorrow and then make it happen. Let's invent the city of tomorrow, the home of tomorrow, the transportation of tomorrow.

We live in the kind of society where, in almost all cases, hard work is rewarded.

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."

I would request that my body in death be buried not cremated, so that the energy content contained within it gets returned to the earth, so that flora and fauna can dine upon it, just as I have dined upon flora and fauna during my lifetime