The discovery of the accelerating expansion of the universe was a complete surprise.

I like crossing the imaginary boundaries people set up between different fields—it's very refreshing.

"The most important thing is to stay disciplined."

“你得丢开以往的事，才能不断继续前进！”我想那就是我这次跑步的意义了。

文字的力量在于它们可以改变世界。