Light is one of the most universal and fundamental symbols. It is the spiritual and the divine, it is illumination and intelligence. Light is the source of goodness and the ultimate reality, and it accompanies transcendence into the Nirvana of Buddhist doctrine. It is the sun, and it is the avenger of evil forces and darkness. Light is knowledge. Purity and morality are connected terms as well. The masculine principle of evolution is symbolized through light. Cosmic energy, creative force and optimism are all related to light.