There are a few words in Yuan Gaoming's Pipa Story that exhort his father-"This tit is rude, but it will collide with my words. My words are not in the right place, son. My husband's words are contrary to my father's. I hate children's knowledge. I should have trusted the moon, but the moon shines on the ditch. "
Seven-word quatrain: Ben turned his heart to the bright moon, and the bright moon shone on the ditch. Flowers fell with the flowing water intentionally, but the flowing water did not fall unintentionally.