50 that servant’s master will come on a day when he doesn’t expect him and at an hour that he doesn’t know.
Matthew 24:50 Cross References - ISV
Proverbs 29:1
1 Advice on Life and Justice After many rebukes, the stiff-necked man will be broken incurably, without any warning.
Matthew 24:42-44
42 “So keep on watching, because you don’t know on what day your Lord is coming.
43 But be sure of this: if the owner of the house had known when during the night the thief would be coming, he would have stayed awake and not allowed his house to be broken into.
44 So you, too, must be ready, because the Son of Man will come at an hour you are not expecting him.”
1 Thessalonians 5:2-3
Revelation 3:3
3 So remember what you received and heard. Obey it, and repent. If you are not alert, I will come like a thief, and you won’t know the time when I will come to you.