Neil deGrasse Tyson

Objective truths are true whether or not you believe in them.

I think on some level, role models are overrated. Had I required that another black man from the Bronx had become an astrophysicist for me to become one, I'd still be in the Bronx.

It is okay to encourage others to pull themselves up by their bootstraps. But if you do, just remember that some people have no boots.

We went to the moon to explore it, but in fact, we discovered Earth for the first time.

Your diploma is really not a ticket to show off what you know. You know what it really is? It's permission to admit to yourself how much you still have yet to learn.

There is no solution to a problem that does not embrace all that we have created as a species.