The significance of the Ouroboros symbol in mythology lies in its representation of eternity and the cyclical nature of life. The Ouroboros, depicted as a serpent or dragon eating its own tail, signifies the endless cycle of creation, destruction, and rebirth. It embodies the unity of opposites, illustrating how beginnings and endings are interconnected, which is a common theme in various cultures. This symbol often appears in alchemical texts, symbolizing the ultimate goal of achieving harmony and balance within oneself. It serves as a powerful reminder of life's continuous flow and transformation.