The Sufi Order is mainly an esoteric school. There are three esoteric schools most known in the East: the Buddhist School, the Vedantic School, and the Sufi School. Two of the schools, the Buddhist and the Vedantic, use asceticism as the principal means of spiritual advancement. The peculiarity of the Sufi School is that it uses humanity as the main path for spiritual advancement. The realization of truth in the Sufi School is not different from the Vedantic, or even from the Buddhist, but the Sufi presents truth in a different manner. It is the same frame in which Jesus Christ gave his teaching, and the same form which was adopted by the prophets of Israel.