Why should the Qiang flute blame the willows? The wind will not cross the Yumen Pass. ——Wang Zhihuan

But the dragon city flying generals are here, and they don’t teach Huma to cross the Yin Mountains——Wang Changling

Zhu Xi

Ask where the canal can be so clear, why? There is a source of living water

Lu You (what you see on paper is shallow, but you know you have to do it)