教师是学校里最重要的师表，是直观的最有教益的模范，是学生的最活生生的榜样。

冒险是必要的，但经过计算的冒险才是天才之举。

The key to successful investing is to have a long-term perspective, a disciplined approach, and a clear understanding of the market and the risks involved.

I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.

音乐高于一切。

史记