“The theory of evolution, like the theory of gravity, is a scientific fact.”
“Everyone should have their mind blown once a day.”
“I don't know anybody who said, 'I love that teacher, he or she gave a really good homework set,' or 'Boy, that was the best class I ever took because those exams were awesome.' That's not what people want to talk about. It's not what influences people in one profession or another.”
“We are part of this universe; we are in this universe, but perhaps more important than both of those facts, is that the universe is in us.”
“I said that if an alien came to visit, I'd be embarrassed to tell them that we fight wars to pull fossil fuels out of the ground to run our transportation. They'd be like, 'What?'”
“Do you realize that if you fall into a black hole, you will see the entire future of the Universe unfold in front of you in a matter of moments and you will emerge into another space-time created by the singularity of the black hole you just fell into?”
“Asteroids have us in our sight. The dinosaurs didn't have a space program, so they're not here to talk about this problem. We are, and we have the power to do something about it. I don't want to be the embarrassment of the galaxy, to have had the power to deflect an asteroid, and then not, and end up going extinct.”
“The problem is not scientifically illiterate kids; it is scientifically illiterate adults. Kids are born curious about the natural world. They are always turning over rocks, jumping with two feet into mud puddles and playing with the tablecloth and fine china.”
“Not enough people in this world, I think, carry a cosmic perspective with them. It could be life-changing.”
“Dreams about the future are always filled with gadgets.”