Matthew 24:37-39

For the coming of the Son of Man (the Messiah) will be just like the days of Noah. For as in those days before the flood they were eating and drinking, marrying and giving in marriage, until the [very] day when Noah entered the ark, and they did not know or understand until the flood came and swept them all away; so will the coming of the Son of Man be [unexpected judgment]. [Gen 6:5-8; 7:6-24]