Literature Reference: 映水光难定，凌虚体自轻。—— 《咏萤》 Its light flickers upon the water, ethereal and weightless as it soars. Source from 'Ode to the Firefly'.
凌: Soaring high, reaching the skies. A metaphor for lofty aspirations and far-reaching ambitions.
虚: Illusion. Idleness. Vanity.
Meaning: Ethereal and transcendent, symbolizing a lofty and otherworldly spirit.