过去是一个异国他乡；他们在那里行事不同。

You can discover what your enemy fears most by observing the means he uses to frighten you.

The self is only that which it is in the process of becoming.

Success is the best revenge for anybody doubting you.

【释义】贫穷之人因生活简朴，少欲知足，反而往往长寿；富人奢靡，有余之处过度挥霍，导致折损寿命。这是天道自然调节，有余者削减，不足者得到补益。