Literature Reference: 箧贮灵砂日日看，欲成仙法脱身难。—— 《自述》 Storing spiritual sand in a box, I look at it daily, yet it is hard to escape the path to immortality. Source from 'Self-Narration'.
灵: Ingenious and dexterous, when used as a personal name, it signifies intelligence and wit, not mere cleverness without depth.
砂: "Same as 'sand': sand grains. Sandpaper."
Meaning: Ling Sha symbolizes spirituality and purity, representing the pursuit of transcendence and wisdom.