You can experience the thrill of discovery, the incredible, visceral feeling of doing something no one has ever done before, see things no one has ever seen before, know something no one has ever known before. ... Welcome to science, you're gonna like it here.

How do you convince someone they're not thinking clearly, when they're not thinking clearly? What we're actually saying is no magic, no afterlife, no higher moral authoritative father-figure, no security, and no happy ever after. This is a tough sell.

Teach a man to reason and he will think for a lifetime.

When you're dealing with the universe, ignorance can be deadly.

You can experience the thrill of discovery, the incredible, visceral feeling of doing something no one has ever done before, see things no one has ever seen before, know something no one has ever known before. ... Welcome to science, you're gonna like it here.

The difference between the dinosaurs and us is that we have a space program and we can vote...

I'm tired of ignorance held up as inspiration.