A man's errors are his portals of discovery.

The idea of a margin of safety, a Graham precept, will never be obsolete. The idea of making the market your servant will never be obsolete. The idea of being objective and dispassionate will never be obsolete.

让自己振作起来的最好方式是尝试让别人振作起来。

一滴墨水，可以唤起千百万人的思想。