The stock market is filled with individuals who know the price of everything, but the value of nothing.

我不是时间，我是空间。

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

没有渺小的人生。每个存在都包含着普遍性。

Mathematics is the poetry of logical ideas.

量子通信的安全性来自物理定律，而不是计算复杂性。