竹,贞而不介,弱而不亏。《诗经》中有“瞻彼淇澳,绿竹依依”、“篁篁竹竿,以钓于淇”之句。《礼记》载:“礼之在人也,如竹箭之有筠也。”可见在上古竹子即具有道德上的意义。王国维说:“竹之为物,草木中之有特操者,群居而不倚,虚中而多节,可折不可曲,凌寒霜而不渝其色,……使人 Bamboo, not referring to Zhen, weak but not losing. In The Book of Songs, there are sentences of “Zipiao Qiao, Green Bamboo Yiyi”, “Dish Bamboo and Bamboo Slips, and Fishing in Qi”. “Book of Rites” contains: “The etiquette is also in people, such as the bamboo arrows.” Visible in the ancient bamboo is of moral significance. Wang Guowei said: "Bamboo is a thing. There are special operatives in the vegetation. They live in groups and are irrational. They are imaginary and multi-sections. They can’t be changed.