| The Doctrine and Covenants |
Wherefore, be not deceived, but continue in steadfastness, looking forth for the heavens to be shaken, and the earth to tremble and to reel to and fro as a drunken man, and for the valleys to be exalted, and for the mountains to be made low, and for the rough places to become smooth–and all this when the angel shall sound his trumpet.