The Book of Mormon is the only place where it is found. That concept is CONDESCENSION; being obedient or compliant to the Proper Authority in the face or threats by other powers.

Not a well known concept, because we are more familiar with its negative connotation; condescending.

Yet, Joseph Smith, Jr understood the fullness of its meaning. That separation occurred before the creation of the earth and someone, a personage of spirit, who later became the Only Begotten Son of God consented to come down in the name of the Father to confront the purveyors of other powers.

He was then already worthy to be called a Son of God. We were called the “spirit” children of God.

To redeem us and to save the purveyors of these other powers for judgment by the Father; this Son of the Man of Holiness had to become subject to the ultimate punishment of these other purveyors, which was suffering and mortal death.

After His resurrection this Son of God was glorified by some in Gallillee and we know the story of His other sheep, the Nephites and Lamanites in the Book of Mormon.

He was falsely accused and His reputation greatly diminished. The Father and Jesus, Christ appeared at least 4 times to Joseph Smith, Jr.

Joseph’s first vision was the opener of His rule, when Father spoke, saying “This is my Beloved Son. Hear Him.”

Yeah, I suppose so — my mind isn’t philosophical enough to think of an act without consequence, even if the act (say a thought) is simply accretive. I’m still trying to puzzle things out in detail, but obviously there must be some very good reasons for corporeality in terms of how progression operates.