解釋?zhuān)簩?duì)別人沒(méi)有恩德，卻想有求于人，這是罪過(guò)。
Words are traps, we step into them without knowing.
The true measure of a man is how he treats someone who can do him absolutely no good.
The first step in the art of cutting metals is to find a man who has the necessary skill and experience.