North Mountain’ and gets enlightenment. What do they attain?” Zen Master Hahn Am replied, “In front of the meditation rooms there are many roof tiles.” 1) “Cloud appears over South Mountain, rain over North Mountain.” what does this mean? 2) Is Zen Master Hahn Am’s answer correct or not? Commentary If you see something, you become blind. If you hear something, you become deaf. If you open your mouth, you become mute. Without making anything, you already find a good answer.