缺乏美感的理论不太可能是正确的。

But man is not made for defeat. A man can be destroyed but not defeated.

我不是天使，我是恶魔。

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

"The only way to learn mathematics is to do mathematics."

有了目标就要全力以赴。