人体对我来说是最重要的东西。
"Stories are the most important thing in the world. Without stories, we wouldn't be human beings at all."
The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.
If you are insecure, guess what? The rest of the world is, too. Do not overestimate the competition and underestimate yourself. You are better than you think.
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
You can't manage what you don't measure.