一幅画本身必须美丽，而不是因为它代表美丽的事物。
On the path to truth, only the brave can persist to the end.
"The only thing that is certain is uncertainty."
相信自己能行，你已经成功了一半。
The purpose of psychotherapy is to set people free.
除非定理是美丽的，否则它们毫无价值。