Christ praying at Gethsemane "And there appeared an angel unto him from heaven, strengthening him. And being in an agony he prayed more earnestly: and his sweat was as it were great drops of blood falling down to the ground.
Flood came and swept them all away. SO the presence of the Son of Man will be." See Matthew God shut the Ark door and sealed it. It was too late for those who had ignored God's warning by means of Noah.