From the ancient Book of Enoch we find that Enoch, seventh from Adam, prophesied concerning the wickedness before Noah's Flood and that Enoch's prayer persuaded God to preserve some people from that Flood so as to later make a population of righteous people so when He destroys the wicked again there will be righteous people to replace them - helped by the Son of Man. The God and the Son of God (Son of Man) would forever dwell with these people.
