Matthew 24:50

the master of that slave will come on a day when he does not expect him and at an hour which he does not know,

Matthew 24:42-44

“Therefore be on the alert, for you do not know which day your Lord is coming.

1 Thessalonians 5:2-3

For you yourselves know full well that the day of the Lord will come just like a thief in the night.

Revelation 3:3

So remember what you have received and heard; and keep it, and repent. Therefore if you do not wake up, I will come like a thief, and you will not know at what hour I will come to you.

Proverbs 29:1

A man who hardens his neck after much reproof
Will suddenly be broken beyond remedy.

Treasury of Scripture Knowledge

Summary

The lord of that servant shall come in a day when he looketh not for him, and in an hour that he is not aware of,

Bible References

Come

Matthew 24:42
“Therefore be on the alert, for you do not know which day your Lord is coming.
Proverbs 29:1
A man who hardens his neck after much reproof
Will suddenly be broken beyond remedy.
1 Thessalonians 5:2
For you yourselves know full well that the day of the Lord will come just like a thief in the night.
Revelation 3:3
So remember what you have received and heard; and keep it, and repent. Therefore if you do not wake up, I will come like a thief, and you will not know at what hour I will come to you.