Some very warm and wonderful slogans are hung in the teaching buildings and laboratory buildings of many schools.

Flowing water is ruthless and people are affectionate. I advise you to let Lou Qing calm down. The communication between heart and heart requires listening quietly. The water is not deep, if there is a dragon, it is spiritual. If the sound is not loud, if there is sound, it will be good. ; After class, be quiet. Your soft words are a sign of respect for everyone. In the future, let us cheer loudly. Today, let us read quietly