Literature Reference: 一身依止荒闲院，烛耀窗中有宿烟。—— 《赠华严院僧》 Alone I dwell in a desolate courtyard, where the candlelight flickers and lingering smoke fills the window. Source from 'To the Monk of Huayan Temple'.
宿: Celestial Mansions.
烟: Smoke, billowing clouds. Herbal essence.
Meaning: Lingering smoke symbolizes tranquility, depth, and transcendence, reflecting inner peace and profundity.