The Heart Sutra is a famous sutra in Mahayana Buddhism. Its title literally means "The Heart of the Perfection of Understanding." The Heart Sutra is often cited as the best-known and most popular Buddhist scripture of all. Various commentators divide this text into different numbers of sections. Briefly, the sutra describes the experience of liberation of the bodhisattva of compassion, Avalokitesvara, as a result of insight gained while engaged in...