When I was a kid, I thought that if everyone looked up the way I did then everyone would want to study the universe just like me - how could they not? This naiveté is what tells me that my interest was more a calling than a rational comparative assessment about what to be when I grew up.

No matter what eyewitness testimony is in the court of law, it is the lowest form of evidence in the court of science.

By the way, how much does NASA cost? It's half a penny on a dollar. Did you know that? ... The most powerful agency on the dreams of a nation is currently underfunded to do what it needs to be doing, and that's making dreams come true ... How much would you pay for the universe?

Great scientific minds, from Claudius Ptolemy of the second century to Isaac Newton of the seventeenth, invested their formidable intellects in attempts to deduce the nature of the universe from the statements and philosophies contained in religious writings.... Had any of these efforts worked, science and religion today might be one and the same. But they are not.

Don't know if it's good or bad that a Google search on “Big Bang Theory” lists the sitcom before the origin of the Universe

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.

I remain fearless of airplanes after 9/11. But during a trip to Los Angeles on a Boeing 767, I couldn't keep my mind from drifting: What's the largest piece of this airplane that could crash into the World Trade Center, explode out the other side, and survive intact? The landing gear? My computer battery? My belt buckle? My wedding ring?