Matthew 24:39
and they knew it not till the deluge came, and swept them all away; such also shall the coming of the Son of man be.
Matthew 24:50
the master of that servant will come in a day that he doth not expect him, and at an hour which he knoweth not.
Matthew 25:6
Then at midnight the cry came, Behold, the bridegroom is coming; go forth to meet him.
1 Thessalonians 5:2
for yourselves know precisely that the day of the Lord so cometh as a thief in the night.
2 Peter 3:10
But the day of the Lord will come as a thief by night; in which the heavens shall pass away with a rushing noise, and the first principles of matter in flames dissolve, and the earth and all the works upon it be burnt up.