Priesthood Given to Peter, James, & John on Mount of Transfiguration — Willard Richards Account (Between circa June 26 and circa August 4, 1839)
The Priesthood is everlasting. The Savior, Moses, & Elias — gave the Keys to Peter, James & John on the Mount when they were transfigured before him.
Discourse, between circa 26 June and circa 4 August 1839-A, as Reported by Willard Richards, p. 65, The Joseph Smith Papers.
Jesus Came “Right up to the Mark” & Recieved a Fulness of the Priesthood — James Burgess (August 27, 1843)
Men will set up stakes and say thus far will we go and no farther . . . did the saviour, no, view him fulfiling all rightousness, again on the banks of jordon, also on the Mount [Jesus Christ was] transfigured before Peter and John there receiving the fulness of priesthood or the law of God, setting up no stake but coming right up to the mark in all things here him after he returned from the Mount, did ever language of such magnitude fall from the lips of any man, hearken him. All power is given is given unto me both in heaven and the earth. [Matthew 28:18]
Discourse, 27 August 1843, as Reported by James Burgess, pp. 16-17, The Joseph Smith Papers.
