难以消化的美味,不要贪吃;难以获取的宝物,不要储藏;难以酬报的恩惠,不要接受;难以久处的朋友,不要交往;难以再现的光陰,不要失去;难以守护的资财,不要积贮;难以辩明的诽谤,不要辩白;难以解除的忿恨,不要计较。
人不是为失败而生的。一个人可以被毁灭,但不能被打败。
商场如战场,防人之心不可无。  
Positive psychology is not just about feeling good, it's about the good life.
Sustainability isn't an option—it's the foundation of our future.
The best preparation for tomorrow is doing your best today.
Growth itself contains the germ of happiness.