Franklin D. Richards records a near-contemporary account of Hyrum Smith's teaching in the August 12, 1843, high council meeting.
Franklin D. Richards, Notebook, circa August 12, 1843, MS 4409, CHL
Hiram said before the High council that no prophet ever did transgress but was directed by the impulse of the spirit involuntarily Also The Law that a man shall take his brothers wife and raise up seed unto him as it was in israel must be again established