Mark 13:33
King James Version
Take ye heed, watch and pray: for ye know not when the time is.
Mark 13:33 in context
Mark 13:31
Heaven and earth shall pass away: but my words shall not pass away.
Mark 13:32
But of that day and that hour knoweth no man, no, not the angels which are in heaven, neither the Son, but the Father.
Mark 13:34
For the Son of Man is as a man taking a far journey, who left his house, and gave authority to his servants, and to every man his work, and commanded the porter to watch.
Mark 13:35
Watch ye therefore: for ye know not when the master of the house cometh, at even, or at midnight, or at the cockcrowing, or in the morning: