1 Thessalonians 5:2
for ye yourselves know full well, 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; in which the heavens will pass away with a great noise, and the elements will melt with fervent heat, and the earth and the works that are therein will be burned up.
Revelation 3:3
Remember therefore how thou hast received and heard, and keep those things, and repent. If therefore thou shalt not watch, I will come as a thief, and thou shalt not know at what hour I will come upon thee.
Revelation 16:15
Behold, I come as a thief; blessed is he that watcheth, and keepeth his garments, that he may not walk naked, and his shame be seen.
Matthew 24:42-44
Watch, therefore, for ye know not on what day your Lord is coming.
Matthew 25:13
Watch, therefore, for ye know not the day nor the hour.
Mark 13:34-35
As a man going abroad, having left his house and given authority to his servants, to each one his work, also commanded the porter to watch,
Luke 12:39-40
And be sure of this, that if the master of the house had known at what hour the thief was coming, he would not have suffered his house to be broken through.
1 Corinthians 1:8
who will also make you steadfast to the end, so that ye may be without blame in the day of our Lord Jesus Christ.