人生は、自分で選んだ道を歩くことだ。
人生就是走自己选择的路。
The strength of a state is not just its ability to coerce, but its ability to provide services and maintain legitimacy in the eyes of its citizens.
研究涨落对于理解系统在平衡附近的行为至关重要。
The only person you should try to be better than is the person you were yesterday.
"It's hard to think of anyone who, at one time or another, has not been laid low by love or by the lack of it."