I believe in being strong when everything seems to be going wrong.

唯一能让你快乐的是你自己的心。

The ability to create and sustain large, complex organizations is one of the key factors that distinguish successful societies from unsuccessful ones.

如果可能的话，和平；无论如何，真理。

使较弱的论点变得更强。

  选择最有用的生活方式，习惯会使其变得最令人愉悦。