A sutra which was once considered a national treasure of India, it was secretly brought to China and translated in 705. Also called the "Sutra of the Heroic One", it gives the most detailed explanations of the teachings of the Buddha regarding the mind, including the workings of of karma, a description of the realms of existence, ways to enlightenment, etc. It is said that every existing Dharma can be found in this sutra. The word "Shurangama" is translated as "ultimately firm and strong."