当你做到世界最好时，你实际上无法再改进它了。

"The most important thing is to keep pushing the boundaries."

Hold yourself responsible for a higher standard than anybody else expects of you. Never excuse yourself.

尝试一种方法是常识。如果失败了，坦率地承认并尝试另一种方法。但最重要的是，尝试一些事情。