The concept of duality in mythology is often illustrated through the coexistence of opposing forces such as light and darkness, good and evil, or life and death. Many myths explore this duality by portraying characters or deities who embody both aspects. For example, gods like Yin and Yang in Chinese philosophy emphasize the necessity of balancing opposing forces for harmony. This duality highlights the complexity of existence and encourages reflection on the interdependence of contrasting elements in our lives.