Never underestimate the power of collaboration—great things grow when people work together.
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.  
A mathematician is a device for turning coffee into theorems.
释义:用兵的方法,以攻破敌人心理防线为上策,攻破城池为下策。
The key to successful investing is to have a strong stomach.