Joseph Smith — Prophecy of the Martyrdom ("Lamb to the Slaughter")

While traveling to Carthage, Illinois, to face legal charges, Joseph Smith turned to his company and prophesied his own death, stating: 'I am going like a lamb to the slaughter; but I am calm as a summer's morning; I have a conscience void of offense towards God, and towards all men. I shall die innocent, and it shall yet be said of me—he was murdered in cold blood.' This statement is cited by Richards as evidence of Joseph's foreknowledge and his willingness to seal his testimony with his life.

Fuller account of this event (as retold in Remembering the Deaths of Joseph and Hyrum Smith | Religious Studies Center):

Having gone 14 miles, they met Captain Dunn and his soldiers at the Albert G. Fellows farm, just four miles west of Carthage. At this confrontation, the Prophet declared, “I am going like a lamb to the slaughter, yet I am calm as a summer’s morning” ( HC 6:555; 7:187). John Taylor prayed and Hyrum read and commented upon extracts from the Book of Mormon, “on the imprisonments and deliverance of the servants of God for the Gospel’s sake.” Joseph bore his testimony as to the “divine authenticity of the Book of Mormon” (HC 6:600). At 4:00 PM the guard was changed, and the Prophet conversed with the new guards about Joseph H. Jackson, the Law brothers, and other “Nauvoo conspirators.” Sitting in the window, John Taylor saw a number of men with painted faces make their way toward the jail.

Fuller account of this event (as retold in Saints: The Story of the Church of Jesus Christ in the Latter Days, Volume 1, The Standard of Truth, 1815–1846, Chapter 44: A Lamb to the Slaughter):

Early the next morning Joseph, Emma, and their children stepped out of the house. He kissed each of them. 'You are coming back,' Emma said through tears. Joseph mounted his horse and set off with Hyrum and the other men for Carthage. 'I am going like a lamb to the slaughter,' he told them, 'but I am calm as a summer’s morning. I have a conscience void of offense towards God, and towards all men. I shall die innocent, and it shall yet be said of me—he was murdered in cold blood.' Howling and swearing greeted the Smith brothers when they arrived at Carthage a little before midnight on Monday, June 24.