Joseph F. Smith, Journal of Discourses — Volume 25…
“ Why should we need any further proof that Joseph Smith was a true Prophet, or that his predictions are being fulfilled? Why should it be necessary to prove that the word of God has come to the world through him, and that that word is indisputable, that the world cannot gainsay it? The doctrines and revelations believed in by the Latter-day Saints have now been before the world for 54 years, and during that time what the world has been pleased to call "Mormonism" has been to them an unsolved problem. ”
