一切能被说出的都能够清楚地被说出，而我们不能谈论的，必须保持沉默。

When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.

I create not for beauty, but for truth.

I've learned that you can't control everything in life, but you can control how you react to it.

The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.

For me, money is not my definition of success. Inspiring people is a definition of success.

教师必须为形成较好人类而献出一切。