Literature Reference: When the moon hangs low by the Silver River, deep listening to the harmonious music of the heavens. Source from 'Memories of Night Duty at the Golden Luan Hall'.
深: Profound and enlightened, symbolizing depth of understanding and intelligent wisdom.
听: Perception and discernment. To listen is to hear attentively. — "Shuowen Jiezi"
Meaning: Deep listening signifies focused attention, embodying wisdom through depth and introspection.