史记

世界上最大的空间是改进的空间。

International politics is a brutal and unforgiving arena, where states constantly strive to maximize their power and security.

Violence is not random; it follows predictable patterns that reflect underlying evolutionary logic.

水的源头如果浑浊，那么水流就不可能清澈；言行不讲信用的，名声必然受到损害。