Seriously. My hero of the modern world is Neil deGrasse Tyson. If you're not aware of his work, Neil is an astrophysicist at the Hayden Planetarium (in NYC), an advocate for the sciences and exploration, an educator and philosopher who teaches by example.
He's basically all around awesome.
I posted awhile ago when Zen Pencils made a comic using one of his quotes, but now that quote's been put to Neil's words and made into a video, and it's pretty freaking cool. Here ya go: