I think the really cool and compelling thing about math and physics is that it opens up entry to all these hypotheticals - or at least, it gives you the language to talk about them. But at the same time, if a scenario is completely disconnected from reality, it's not all that interesting.

I've always thought that one of the the great thing about physics is that you can add more digits to any number and see what happens and nobody can stop you.

You don't become great by trying to be great. You become great by wanting to do something, and then doing it so hard that you become great in the process.

Take wrong turns. Talk to strangers. Open unmarked doors. And if you see a group of people in a field, go find out what they are doing. Do things without always knowing how they'll turn out.

I learned very early on in life that not everyone wants to hear every fact in the world, even if you want to tell them everything you've ever read.

The scholarly authorities on freezing to death seem to be, unsurprisingly, Canadians.

Man, Farmville is so huge! Do you realize its the second-biggest browser-based social-networking-centered farming game in the world?