Wilford Woodruff
If there was a point where man in his progression could not proceed any further, the very idea would throw a gloom over every intelligent and reflecting mind. God himself is increasing and progressing in knowledge, power, and dominion, and will do so, worlds without end. It is just so with us.
John A. WidtsoeOne of the leading doctrines of the Church resembles the spirit of the law of universal growth so nearly that one is forced to believe that the great truth embodied by this doctrine [eternal progression] is the truth shadowed forth by the law of evolution. … Joseph Smith taught [with regard to humans] a doctrine of evolution which in grandeur and in extent surpasses the wildest speculations of scientific evolutionists.
James E. TalmageMiracles are commonly regarded as occurrences in opposition to the laws of nature. Such a conception is plainly erroneous, for the laws of nature are inviolable.
Brigham YoungOur religion embraces chemistry; it embraces all the knowledge of the geologist, and then it goes a little further than their systems of argument, for the Lord Almighty, its author, is the greatest chemist there is. Will any of the chemists tell us what the Lord did with the elements in Wisconsin, and in Chicago, Illinois, last Fall? They made a flaming fire of the heavens, the elements were melted with fervent heat.
He is a prophet, I am a prophet, you are, and anybody is a prophet who has the testimony of Jesus Christ, for that is the spirit of prophecy.
President Young asked Elder Orson Pratt what he thought of his preaching that intelligent beings would continue to learn to all eternity. Pratt said that he believed the Gods had a knowledge at the present time of every thing that ever did exist to the endless ages of all eternity. . . . President Young remarked that . . . it was not true: it was false doctrine, for the Gods and all intelligent beings would never cease to learn.