The quest for understanding is the noblest pursuit of the human spirit.

The best time to plant a tree was 25 years ago. The second best time is today.

I know you've heard it a thousand times before. But it's true-hardwork pays off. If you want to be good, you have to practice, practice, practice.

每个科学家都梦想着做一些能够帮助世界的事情。

I don't mind being wrong, I just don't want to stay wrong.

We don't inherit the earth from our ancestors; we borrow it from our children.

变得更好的唯一方法就是与最强者对抗。