1883. Spirit Teachings, which came through Moses's hand in what is called automatic writing is regarded as Spiritualism's greatest classic. Here, in language of matchless prose, is contained the religious, philosophical and ethical implications of Spiritualism, as viewed by the spirit world. The communicators, by sheer brilliant logic, compelled their medium to abandon, stage by stage, his orthodox religious beliefs. They gave clear evidence of their high purpose and furnished him with irrefutable proofs of Survival.