These revelations come from there higher self known as there more evolved past and future self that all is playing out at the same time known as the now.
These revelations also come from higher beings angles and other entities like the consciousness of the suns moons and planets, the revelations come from the all.
Everyone everything is God, so the revelations come from the all that we all are, we are all God, so the revelations essentially come from God, or one of the many particles of God.
The Christ consciousness is understanding this fact, this is what the return of the Christ is.
