Nature has placed mankind under the governance of two sovereign masters， pain and pleasure.
动力学的方程是完全的，我们无需超越它们。
The only person you should try to be better than is the person you were yesterday.
气候变化的解决方案始于我们如何管理森林。
It is better to be a human being dissatisfied than a pig satisfied； better to be Socrates dissatisfied than a fool satisfied.
I believe in the power of love to change the world.
领导力就是做出艰难的决定并坚持到底。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.