你知道得越多，你需要得越少。

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.

数学是上帝用来书写宇宙的语言。

经验只是我们给错误起的名字。

"A book is a garden carried in the pocket."

投资于低碳解决方案不仅对环境有益，也是良好的商业决策。