Mark 13:33

“Take ye heed, watch and pray, etc..] This seems to be the principal reason why the day and hour of Jerusalem's destruction, though known by the Father, were not made known to any man, neither to the angels, nor by them; nor to the son of man in the days of his flesh, nor by him when on earth; that his people might be upon their guard, against false Christs, and prophets, and their deception; and watch unto prayer, and in it, lest they fell into temptation, and that day should come upon them unawares: for ye know not when the time is; the exact and precise time: for though the people of God had notice of it, and were sensible it was at hand, and did make their escape out of Jerusalem; yet…”

“Mat 24:42; Luk 21:34. Mark 13:34”

“13:33-37 These verses contain several variations of the same basic warning: Be on guard! Stay alert! and watch. The repetition emphasizes the need to be vigilant.”

“Mar 13:23, Mar 13:35-37, Mar 14:37, Mar 14:38; Mat 24:42-44, Mat 25:13, Mat 26:40, Mat 26:41; Luk 12:40, Luk 21:34-36; Rom 13:11, Rom 13:12, Rom 13:14; Co1 16:13; Eph 6:18; Th1 5:5-8; Heb 12:15; Pe1 4:7, Pe1 5:8; Rev 3:2, Rev 16:15 Mark 13:34”