能量守恒定律是经验结果的概括。

On pivoting: "If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve."

中国的崛起对自由民主秩序构成了重大挑战。

I'm a firm believer that in order to be successful, you have to be willing to make sacrifices.

I don't make music for the critics, I make it for the fans.