Those who are willing to give up freedom for security will eventually lose both.

Every man is guilty of all the good he did not do.

流离失所的伤口永远不会完全愈合；它只是学会了用不同的语言说话。

数学的语言是普遍的，正是通过这种语言，我们才能传达宇宙最深刻的真理。