I think of Joseph Smith.

Doctrine and Covenants 135:3-4

"Joseph Smith, the Prophet and Seer of the Lord, has done more, save Jesus only, for the salvation of men in this world, than any other man that has ever lived in it. In the short space of twenty years, he has brought forth the Book of Mormon, which he translated by the gift and power of God, and has been the means of publishing it on two continents; has sent the fulness of the everlasting gospel, which it contained, to the four quarters of the earth; has brought forth the revelations and commandments which compose this book of Docrine and Covenants, and many other wise documents and instructions for the children of men; gathered many thousands of the Latter-day Saints, founded a great city, and left a fame and name that cannot be slain. He lived great, and he died great in the eyes of God and his people; and like most of the Lord's anointed in ancient times, has sealed his mission and his works with his own blood; and so has his brother Hyrum. In life they were not divided, and in death they were not separated! When Joseph went to Carthage to deliver himself up to the pretended requirements of the law, two or three days previous to his assassination, he said: "I am going like a lamb to the slaughter; but I am calm as a summer's morning; I have a concience 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."

I know that Joseph Smith was a great prophet.