We didn't go to the moon to explore or because it was in our DNA or because we're Americans. We went because we were at war and we felt a threat.
Neil deGrasse TysonAnd extracting one molecule's signature in spectral analysis from the rest of the signatures is hard work, sort of like picking out the sound of your toddler's voice in a roomful of screaming children during playtime. It's hard, but you can do it.
Neil deGrasse TysonExploration is what you do when you don't know what you're doing. That's what scientists do every day. If a scientist already knew what they were doing, they wouldn't be discovering anything, because they already knew what they were doing.
Neil deGrasse TysonIt is astonishing to realize that until Galileo performed his experiments on the acceleration of gravity in the early seventeenth century, nobody questioned Aristotle's falling balls. Nobody said, Show Me!
Neil deGrasse Tyson