Brigham Young on young-earth creationism

“The origin of life, whether human or inferior, must be lodged in some character whom I have not seen! Follow it back, no matter whether it be for six thousand years, six millions, six million millions, or billions of years, the figures and numbers are immaterial, I must have come from some source; my natural philosophy teaches me this. But, leaving the natural philosophy of the child free from false tradition, let us inquire. What does the philosophy of the Christian sects, or many of them, not all, teach? “God made the world in six days, out of nothing!” This is very wrong; no child should be taught any such dogma. God never did make a world out of nothing; He never will, He never can!”  (Brigham Young, Journal of Discourses, 13:248 [25 September 1870])