符号是思维的媒介。
Symbols are the medium of thought.
The best works of art are those that continue to reveal new meanings over time.
You’ll get 10x better results by elevating good behavior rather than punishing bad behavior, especially in children and animals.
我不会让任何人对我的看法定义我是谁。
我就是真理,永远别怀疑我。
I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.