Investors should avoid market timing and stock picking.

The elegance of a mathematical proof is in its simplicity and clarity.

一个人的价值或价值，就像所有其他事物一样，是他的价格；也就是说，为了使用他的力量而愿意付出的代价。

Every role is a journey, and every journey teaches you something new.

The risk is not that we aim too high and miss, but that we aim too low and hit.