I think everyone should have a personal mission to leave the Earth a better place for them having lived in it and let Earth then take it from there.

Rational thoughts never drive people's creativity the way emotions do.

To achieve this density of a neutron star at home, just cram a herd of 50 million elephants into the volume of a thimble.

If there's a Devil, that mean's there's a God.

Luckily, there are some rocks left over from our earliest days, asteroids formed during our solar system's birth. Occasionally, some of them drop in on Earth, and when they do, they're called meteorites.

These are two different exercises. One of them is, "You don't know and I know, so just shut up and listen," and the other one is, you're curious and you're learning, and I have a way where you can learn this so you'll know it as well. And when you know it, and know why you know it, then you don't have to reference me ever again because you take ownership of the knowledge, and you can then share it with someone else.

I think the best thing a parent can do, when raising a child, is simply get out of their way.