数学中最重要的是提出正确的问题。
The most important thing in mathematics is to ask the right questions.
One of the advantages of being old is that you can speak your mind without worrying about the consequences.
艺术是关于关注你周围的世界。
以前的事不要再评说了,做完的事不要再议论了,过去了就不要再追咎。
The best way to predict the future is to create it.
有时候,最难的事情和正确的事情是同一件事。