Yuan Chun's explanation is profound and pure. Song Shen-Di's five-character rhyme neighbors: "Literature must be lofty, and Tao must be profound and broad." Wang Mingshizhen's "Chapter Seven or Four": "Uncle's depth is a few virtues, and there is nothing to say."

Word decomposition

Deep explanation ā deep water, pool: deep water. Deep valley Yuanlin Cave ("deep", where fish gather; "Guo", the grass near the water, the place where animals gather; A place where people or things gather. Fish in the abyss (meaning just dreaming and not doing practical work). Profound: profound. Yuanyuan. Yuanhao. Yuanxuan. The explanation of profound chun is chun → Jane: Jane. Spring Hou Chungu. Pairs of pure wind (simple and honest atmosphere). In ancient times, it was as strong and pure as "alcohol". Spring water: "Spring water dyes it". Radical: beech.