膨胀的概念表明，宇宙在大爆炸后不久经历了一段极其快速的扩张期。

"A book is a conversation across time."

There are some secrets which do not permit themselves to be told.

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.