To make any future that we dreamt up real requires creative scientists, engineers, and technologists to make it happen. If people are not within your midst who dream about tomorrow - with the capacity to bring tomorrow into the present - then the country might as well just recede back into the cave because that's where we're headed.

I study the universe. It's the second oldest profession. People have been looking up for a long time.

The theory of evolution, like the theory of gravity, is a scientific fact.

Neil deGrasse Tyson Quotes