In the previous sentence, there are people with "three lights, sun, moon and stars"; The word "Ya" in the next sentence includes "Daya" and "Xiaoya", which can be used as "Daya" and "Xiaoya" and combined with "Feng" and "Ode" into four poems. It is not credible to say that Su Shi's mission to Liao is a true novelist. In fact, the upper couplet and the lower couplet do not meet the requirements of even couplets, but in this way, the upper triple is a clever pair of numbers, and the upper sentence is easy to get out, but the lower sentence is difficult to get right. The number of the upper link is free, and the number of the lower link and the upper link is different. What is quoted is not literal, but the content must be symbolic. This couplet is extremely difficult and challenging.
Here are some such figures:
Luo Lu, Wang Yang, Kal Patel
Song Wuzi Zhou Zhu
People have seven emotions, anger, sorrow, fear, love and evil desire.
After the six arts, poetry, books, rituals and music are easy to spring and autumn.