Mark 13
33 Ref Take ye heed, watch and pray: for ye know not when the time is.
34 Ref `It is' as `when' a man, sojourning in another country, having left his house, and given authority to his servants, to each one his work, commanded also the porter to watch.
35 Ref Watch therefore: for ye know not when the lord of the house cometh, whether at even, or at midnight, or at cockcrowing, or in the morning;