I focus on one thing and one thing only – that’s trying to win as many championships as I can.

I always wanted to be a singer, and I focused on that goal, even when others told me I couldn't do it.

The boundary between physics and mathematics is not as clear-cut as one might think.

You don't have to have the ability that quantum mechanics requires.You just have to know a few simple things and really know them.

"In the end, we only regret the chances we didn't take."