Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
在数学研究中，坚持是关键；许多伟大的成果来自于一遍又一遍地从不同角度看待同一个问题。
【译文】 孔子说：“《诗经》三百首，用一句话可以概括，即：‘思想纯洁’。”
The spirit of envy can destroy; it can never build.
该做的事情，就去做，工作对人是最好的慰藉。
The minerals we extract today must serve the needs of future generations as well.
法律是一种反映社会价值和规范的社会现象。
The people who are crazy enough to think they can change the world are the ones who do.