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

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.

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.

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.

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.

Books are the ultimate Dumpees: put them down and they'll wait for you forever pay attention to them and they always love you back.

It's useless to lecture a human.

Optimism with some experience behind it is much more energizing than plain old experience with a certain degree of cynicism.

I lack what the English call character, by which they mean the power to refrain.

The first song I wrote was called "You" and it was a love song about somebody who didn't even exist. I remember them all because I used to always write terrible poetry. I keep all my notebooks.

Every president when he is elected has to live with the pluses and minuses his predecessor leaves, which includes benefits as well as burdens.

Talk between women friends is always therapy.

I do miss sometimes being onstage, because when I do film and television, it's usually so brief and funny.

There was one day when I just didn't feel like I could do weight training after my cardio, so I didn't. You do have to know when to stop, or you can hurt yourself.

No power can withstand divine Love.