企业家精神就是永不言弃的精神。

You are someone else's definition of beautiful.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

I don't believe in inspiration. I believe in work.

解读：区分事务可控性，对可控之事精细谋划，预防风险；对不可控之事，忧愁无用，不如乐观豁达面对，合理调配心态与精力。

自守形式理论是现代数论的核心课题。