If you borrow something， try to return it in better shape than you received it. Clean it， sharpen it， fill it up.
如果你借了什么东西，试着在归还的时候把它变得比你借到时的状态更好。清洁它、打磨它、填充它。
In mathematics, the art of proposing a question must be held of higher value than solving it.
我认为你不能比较网球的不同时代。每个时代都有其伟大的球员。
跨行业合作是解决复杂环境挑战的关键。
The best way to find out if you can trust somebody is to trust them.