... Mr. Kimball came to the room; some other persons were then present; he, K., asked if We understood the signs, and Was answered, "We did not." He explained them . . . "Are these not hard sayings?" said he, "you are bound to obey the Heads of the Church; avenge the blood of your brethren in every way possible, and strive to build up the kingdom; if you do not, you must suffer the penalties before mentioned." . . .
[Catherine Lewis, Narrative of Some of the Proceedings of the Mormons; Giving an Account of Their Iniquities, with Particulars Concerning the Training of the Indians by Them, Description of the Mode of Endowment, Plurality of Wives, (19)c., (19)c. (Lynn, Mass.: Catherine Lewis, 1848), 11, 17, as quoted in Sources on the Oath of Vengeance or Law of Retribution, Christopher C. Smith, privately circulated]