Mark 13:20

Overview - Mark 13
Christ foretells the destruction of the temple;
the persecutions for the gospel;
10 that the gospel must be preached to all nations;
14 that great calamities shall happen to the Jews;
24 and the manner of his coming to judgment;
32 the hour whereof being known to none, every man is to watch and pray, that we be not found unprovided, when he comes to each one particularly by death.
Treasury of Scripture Knowledge

Mark 13:20  (King James Version)
And except that the Lord had shortened those days, no flesh should be saved: but for the elect's sake, whom he hath chosen, he hath shortened the days.

Isaiah 1:9 ; 6:13 Isaiah 65:8 Isaiah 65:9 Zechariah 13:8 Zechariah 13:9 ; Matthew 24:22 ; Romans 11:5-7 Romans 11:23 Romans 11:24 Romans 11:28-32