We know there is gravity because apples fall from trees. We can observe gravity in daily life. If we could throw an apple to the edge of the universe, we would observe it accelerating.

Dark energy is incredibly strange, but actually it makes sense to me that it went unnoticed, because dark energy has no effect on daily life, or even inside our solar system.

It's everywhere, really. It's between the galaxies. It is in this room. We believe that everywhere that you have space, empty space, that you cannot avoid having some of this dark energy.

We're really just the frosting on a cake and we don't know what's inside the cake.

I think the mystery of what's out there in the universe is just very compelling.

Your chemistry high school teacher lied to you when they told you that there was such a thing as a vacuum, that you could take space and move every particle out of it.

Good Morning! Wake up and smile like the morning sun.

This is the first age that's ever paid much attention to the future, which is a little ironic since we may not have one.

The World is my country, all mankind are my brethren, and to do good is my religion.

Diabetes is a lousy, lousy disease.

Guten Morgen, mon ami!Heute ist es schönes Wetter!Charmé de vous voir ici!Never saw you looking better!

I’m not interested in being polite. It’s false.

To fall into a habit is to begin to cease to be.

the metabolism of a consumer society requires it continually to eat and excrete, every day throwing itself away in plastic bags.

There's no better way to test a person than to put them in the middle of a war. That's clearly going to show what kind of a character you're telling a story about.

I feel like I'm a basketball player in a football uniform.