Phật Giáo Hòa Hảo — The Way of Purified Buddhism — An ethnographic introduction to Hòa Hảo Buddhism — the Vietnamese prophetic religion founded in 1939 by the nineteen-year-old visionary Huỳnh Phú Sổ, which simplified Buddhist practice to the point where any peasant farmer could practice at home without clergy, temples, or ritual equipment, and which became one of the most politically consequential religious movements in twentieth-century Southeast Asia.