The day I stop believing I can win is the day I'll stop playing tennis.

证明的优雅与其正确性同样重要。

All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.

译文：老学者默默无闻，年轻人因迎合时俗而显达。批判浮躁趋世之风，推崇踏实积累。

The absence of alternatives clears the mind marvelously.

在商业中经常被问到的问题是“为什么？”这是一个好问题，但同样有效的问题是“为什么不呢？”

因害怕文字狱而避开，著书只是为了谋生。