Literature Reference: 凿户牖以为室，当其无，有室之用。—— 《道德经》 Cut doors and windows to make a room; it is the emptiness within that makes the room useful. Source from 'Tao Te Ching'.
凿: Piercing, excavating. Chiseling through the wall to steal light.
Meaning: To chisel and create, symbolizing a spirit of perseverance and practical innovation.