It's not whether you get knocked down, it's whether you get up.
重要的不是你被击倒，而是你是否能站起来。
I write to make the invisible visible.
The discovery of the accelerating expansion of the universe was a complete surprise.
团队合作是成功的基础，没有任何伟大成就是独自完成的。
To find out what one is fitted to do, and to secure an opportunity to do it, is the key to happiness.
The only way to learn mathematics is to do mathematics.