UNIX is very simple, it just needs a genius to understand its simplicity.

位置测量越精确，动量测量就越不精确，反之亦然。

The market is always looking for the next big opportunity.

It is by no means an irrational fancy that, in a future existence, we shall look upon what we think our present existence, as a dream.

Thinking is the hardest work there is, which is probably the reason why so few engage in it.