What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.

法学是权利的科学，而权利是命令和禁止的道德力量。

历史的地理枢纽是世界上从政治战略角度看最重要的区域。

数学之美在于它能够精确而优雅地描述自然界的基本法则。