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.

"Literature is the mirror of society, reflecting its virtues and vices, its hopes and fears."

我们必须不断学习，因为计算领域总是在不断发展。

宁可信他有，不可信他没有。