An expert is a person who has made all the mistakes that can be made in a very narrow field.

吃饭不可不嚼便咽，走路不可不看便走，话不可不考虑便信口乱说，事不可不计划就贸然去做，衣服不能随便就脱，钱财不能随便据为已有，怒气不可不忍而任意发作，朋友不可不加选择地乱交。

A forest is more than a collection of trees; it's a living, breathing ecosystem that sustains life.