真正的可持续性意味着满足当今需求而不损害未来的可能性。
"In the middle of difficulty lies opportunity."
The mind is a system of interacting sensations.
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
领导力不是掌控，而是照顾好你负责的人。
The most important thing in mathematics is to ask the right questions.