During an 6 April 1837 discourse, Joseph Smith, Jr. stated,
“The Seventies are to be taken from the quorum of Elders, and are not to be High Priests.”
Joseph Smith, Jr., History of Joseph Smith and the Church of Jesus Christ of Latter-day Saints – Volume 2 (Salt Lake City, UT: Deseret Book, 1904), 477. Emphasis added.
Years later, LDS President Harold B. Lee said,
“Have you ever thought that what was contrary to the order in heaven in 1840 may not be contrary in 1960?”
Harold B. Lee, Stand Ye in Holy Places (Salt Lake City, UT: Deseret Book Company, 1974), 152-153.