Heaven must take Him in until the time comes for the restoration of all things, which God announced long ago through His holy prophets.
KJV
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.
ASV
whom the heaven must receive until the times of restoration of all things, whereof God spake by the mouth of His holy prophets that have been from of old.