Agni Yoga (Russian: А́гни Йо́га) or the Living Ethics (Russian: Жива́я Э́тика), or the Teaching of Life (Russian: Уче́ние Жи́зни), is a Theosophical doctrine transmitted by Helena Roerich and Nicholas Roerich from 1920. The term Agni Yoga means “Mergence with Divine Fire” or “Path to Mergence with Divine Fire”. This term was introduced by the Roerichs. The followers of Agni Yoga believe that the teaching was given to the Roerich family and their associates by Master Morya, the guru of the Roerichs and of Helena Blavatsky, one of the founders of the modern Theosophical movement and of the Theosophical Society.