I am not the most annoying person to bring to a movie 'cause I basically hold it in and write about it later or tweet about it. The most annoying people to bring to movies, I think we all agree, are those who read the book first.

For your own safety, do not ever tell an astrophysicist, I hope all your stars are twinkling.

Newton came up with Newton's laws of motion and gravity. They worked. They were working.

I am proud to be part of a species where a subset of its members willingly put their lives at risk to push the boundaries of our existence.

I'd rather enjoy the money, and then be buried, offering my body back to the flora and fauna of which I have dined my whole life.

Private enterprise can never lead a space frontier. It's not possible because a space frontier is expensive, it has unknown risks and it has unquantified risks.

What are you doing? Why are you concerning yourself with the meaning of meaning?