1, extra-poetic kung fu refers to learning to write poetry, not just poetic poetry, but focusing on mastering profound knowledge and participating in social practice.
2. Poem Zi Qi was written by Lu You, a poet in the Southern Song Dynasty, when he passed on his experience in writing poems to one of his sons. Excerpt from the whole poem: Bai Yuan leans against the door, and his manners are really self-taught. It's a pen-end tripod, not samadhi. Poetry is one of the six arts, so why use money? If you want to study poetry, you must work outside it.