I don't like trying to influence politicians, who are themselves representative of huge numbers of people. As an educator, I'd rather enlighten the people and educate the people and let they be the ones who put the pressure on their elected officials.

The supermoon is a 16-inch pizza compared with a 15-inch pizza. It's a slightly bigger moon; I ain't using the adjective 'supermoon.'

I would expunge the word "aptitude" from our vocabulary, because if you're interested in something, that's all that matters. You'll spend more time doing it, that than anything else, and possibly more time doing it than anybody else. And that's all that matters, because in the end, if you love what you do, you'll be your best at it compared to anything else you might have chosen as a career.

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

The good thing about science is that it's true whether or not you believe in it.

If we have the power to turn another planet into Earth, then we have the power to turn Earth back into Earth.

After your first job, is anyone asking you what your GPA was? No, they don't care. They ask you: Are you a good leader? Do people follow you? Do you have integrity? Are you innovative? Do you solve problems? Somebody's got to do that homework and redesign the educational system so that it can actually train people to be successful in life.