St. Matthew 24:34~39: "Amen I say to you, that this generation shall not pass till all these things be done. Heaven and Earth shall pass, but My words shall not pass. But of that day and hour no one knows, no not the angels of Heaven, but the Father alone. And as in the days of Noe, so shall also the coming of the Son of man be. For as in the days of the flood, they were eating and drinking, marrying and giving in marriage, even till that day in which Noe entered into the Ark, and they knew...