Literature Reference: 萤火之光，虽微不灭。—— 《庄子》 The light of a firefly, though faint, never extinguishes. Source from 'Zhuangzi'.
萤: [Fluorite] A mineral with a vitreous luster, often capable of changing color when exposed to light or heat, also known as "fluorspar."
Meaning: Though small, the firefly's light illuminates the darkness, symbolizing resilience and hope.