Literature Reference: 恩至如山，德被四方。—— 《礼记》 Grace as vast as a mountain, virtue extending to all directions. Source from 'The Book of Rites'.
恩: Gratitude and reciprocation embody the spirit of kindness and the expression of compassion.
至: Arrive; reach the pinnacle, the utmost, attaining the zenith.
Meaning: Deep grace, as solid as a mountain, benefiting all directions.