"restoration/restitution of all things spoken by the mouths of all the holy prophets since the world began"

1. Acts 3: 21
   21 Whom the heaven must receive until the times of restitution of all things, which God hath spoken by the mouth of all his holy prophets since the world began.
2. D&C 27: 6
   6 And also with Elias, to whom I have committed the keys of bringing to pass the restoration of all things spoken by the mouth of all the holy prophets since the world began, concerning the last days;
3. D&C 86: 10
   10 Therefore your life and the priesthood have remained, and must needs remain through you and your lineage until the restoration of all things spoken by the mouths of all the holy prophets since the world began.