There are other reasons --There are other reasons why it's perhaps harder now to feel calm than ever before. One of these, and it's paradoxical, because it's linked to something that's rather nice, is the hope we all have for our careers. Never before have expectations been so high about what human beings can achieve with their life span.

The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.

我相信讲故事的力量可以改变人心和思想。

我不是一个讲故事的人，而是一个制造故事的人。

领导力就是让他人因为你的存在而变得更好，并确保这种影响在你离开后依然持续。