Bezzah!?

Wassup? This is a secret Worm Clan.
Rules: None?

In order to join you must answer this riddle correctly:


Through the somber darkness it flies like a ghost, a luminous shadow soaring with wings extended over the infinite sorrows of all people, all the world invokes it and all the world implores it, but the ghost always flies away at sunrise. It is born within the heart, reborn every nightfall, but dead by every morning.