Literature Reference: 乞骸归故山，累疏明深衷。大君不夺志，命锡忽以崇。旭旦出国门，轻装若秋蓬。家依白云峤，手植丹桂丛。竹斋引寒泉，霞月相玲珑。旷然解赤绶，去逐冥冥鸿。—— 《送崔谕德致政东归》 Retiring to the old mountains, repeatedly expressing deep sincerity. The great lord does not suppress his will, and suddenly grants him honor. At dawn, he leaves the capital gate, light as autumn thistledown. His home leans against the white cloud peak, where he plants a grove of osmanthus. The bamboo study draws cold springs, as the moon and clouds interweave. With ease, he removes his official sash, chasing the distant, mysterious wild goose. Source from 'Song Cui Yude Zhizheng Donggui'.