写作就是面对存在的混乱并强加某种秩序。

生存就是在苦难中找到意义。

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

数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。