Heaven and earth will pass away, but my words will not pass away.
"But of that day and hour no one knows, neither the angels of heaven, nor the Son, but the Father alone.
For as it was in the days of Noah, so it will be at the coming of the Son of Man.
In (those) days before the flood, they were eating and drinking, marrying and giving in marriage, up to the day that Noah entered the ark.
Matthew 24:35-38