Matthew 24:48-51
But, should he be a bad servant, and say to himself 'My master is a long time in coming,'
Mark 13:32-37
But about 'That Day,' or 'The Hour,' no one knows--not even the angels in Heaven, nor yet the Son--but only the Father.
Luke 21:34-36
Be on your guard lest your minds should ever be dulled by debauches or drunkenness or the anxieties of life, and lest 'That Day' should come suddenly upon you, like a snare.
1 Thessalonians 5:2-3
You yourselves know well that the Day of the Lord will come just as a thief comes in the night.
Revelation 3:3
Therefore remember what you have received and heard, and lay it to heart and repent. Unless you are on the watch, I shall come like a thief, and you will not know at what hour I am coming to you.