Oath of Vengeance as produced by W. M. Paden's 1931 "Temple Mormonism."
W.M. Paden, Temple Mormonism: Its Evolution, Ritual and Meaning (New York: A.J. Montgomery, 1931), 21
You and each of you do solemnly promise and vow that you will pray, and never cease to pray, and never cease to importune high heaven to avenge the blood of the prophets on this nation, and that you will teach this to your children and your children’s children unto the third and fourth generation.