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In page Helen Mar Kimball:

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It was a strange doctrine, and very dangerous too, to be introduced at such a time, when in the midst of the greatest trouble Joseph had ever encountered. The Missourians and Illinoisans were ready and determined to destroy him. They could but take his life, and that he considered a small thing when compared with the eternal punishment which he was doomed to suffer if he did not teach and obey this principle. No earthly inducement could be held forth to the women who entered this order. It was to be a life sacrifice for the sake of an everlasting glory and exaltation (Whitney & 1880-1883).