To live remains an art which everyone must learn,and which no one can teach.
最好的学习方式就是从错误中吸取教训。
释义:帮助别人,别人未必能变得富裕,而自己却可能因此陷入贫困。
The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.