Before we start talking about genetic differences, you gotta come up with a system where there's equal opportunity.

I don't want people to say, 'Something is true because Tyson says it is true.' That's not critical thinking.

All of the full moons for the entire year are special in that they have particular names.

There is a theorem that colloquially translates, You cannot comb the hair on a bowling ball. ... Clearly, none of these mathematicians had Afros, because to comb an Afro is to pick it straight away from the scalp. If bowling balls had Afros, then yes, they could be combed without violation of mathematical theorems.

I have yet to see a successful prediction about the physical world that was inferred or extrapolated from the content of any religions document.

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?

It would be amazing if something completely spiritual sounding happened. Oh, my gosh! We'd be all over it. Because it's something new about the physical universe.