没事不要讲话，讲话只有三个目的：一、让别人高兴，否则就保持沉默。二、能传递价值，推动他人干活。三、带来利益，否则干脆保持沉默，独自思考。

Don’t speak casually when there’s no need. There are only three valid purposes for speaking: First, to make others happy—if not, remain silent. Second, to deliver value and motivate others to take action. Third, to bring practical benefits. If none of these apply, you might as well stay silent and reflect on your own.