Literature Reference: 饶彼草木声，髣髴闻余聪。—— 《送陆畅归湖州因凭题故人皎然塔陆羽坟》 The rustling of grass and trees seems to whisper to my remaining wisdom. Source from 'Seeing Off Lu Chang to Huzhou and Inscribing Poems at the Pagoda of Jiao Ran and the Grave of Lu Yu'.
余: Surplus, a metaphor for a life of abundance and prosperity.
聪: Wise and astute.
Meaning: Yu Cong symbolizes the remaining wisdom, as delicate and profound as the whispers of grass and trees.