内心慎防杂念，会更加机敏；眼光审慎万物，则愈加明亮。

Don’t be afraid to ask a question that may sound stupid because 99% of the time everyone else is thinking of the same question and is too embarrassed to ask it.

The key is to keep improving, keep fighting, keep believing.

In mathematics, the journey from question to answer is often more enlightening than the answer itself.