In just one year, the expenditure of of the U.S.'s military budget is equivalent to the entire 50-year running budget of NASA combined.

I'm a fan of the planets in any combination. When I was born, Mercury, Venus, Jupiter, Saturn, Uranus, Neptune, Pluto, the Sun, and the Moon were all in the sky.

The very nature of science is discoveries, and the best of those discoveries are the ones you don't expect.

Curiously, light-loving green plants reject the Sun's green light, reflecting it back at you, which is why they look green.

The moment when someone attaches you to a philosophy or a movement, then they assign all the baggage and all the rest of the philosophy that goes with it to you. And when you want to have a conversation, they will assert that they already know everything important there is to know about you because of that association. And that's not the way to have a conversation.

The last person I ever want working for me is someone who says 'that's not in my job description.

One thing in life is for certain, the more profoundly baffled you have been in your life, the more open your mind becomes to new ideas.