In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.

真正的领导力意味着做出今天艰难的决定，这些决定将在几十年后获得回报。

I didn't think I was ever going to get a sensible question.

生活艰难，事情并不总是顺利，但我们应该勇敢冒险，毫不犹豫地迈出下一步。

I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.

"Everything is a learning process: any time you fall down, it's just teaching you to stand up the next time."

I’m not a role model, I’m just a person trying to figure it out.