能克服自己的私欲，什么祸害对你都是无可奈何的了。
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends， and the other begins？
The theory of automorphic forms is a central subject in modern number theory.
I don't think you should ever have to apologize for your excitement. Just because something's cliché doesn't mean it's not awesome.