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THE MEDIUMS’ BOOK > PART SECOND - SPIRIT-MANIFESTATIONS > CHAPTER XVII - FORMATION OF MEDIUMS > Developmeut of Mediumship > 209
209. Faith in the apprentice medium is not an ab- solute condition ; it seconds the efforts, certainly, but is not indispensable: purity of intention, desire, and good will are sufficient. Perfectly skeptical persons have been known to be surprised by writing in spite of themselves, while sincere believers could not; which proves this faculty to be an organic predisposition. (Note 10.)