"No one knows about that day or hour, not even the angels in heaven, nor the Son, but only the Father.1
References for Mark 13:32
Be on guard! Be alert !2 You do not know when that time will come.
References for Mark 13:33
It's like a man going away: He leaves his house and puts his servants3 in charge, each with his assigned task, and tells the one at the door to keep watch.
References for Mark 13:34
"Therefore keep watch because you do not know when the owner of the house will come back--whether in the evening, or at midnight, or when the rooster crows, or at dawn.
If he comes suddenly, do not let him find you sleeping.
What I say to you, I say to everyone: 'Watch!' "4
References for Mark 13:37