Mark 13:20

If the Lord had not cut those days short, nobody would have escaped, but for the sake of his own chosen people he has cut the days short.

Matthew 24:22

If those days had not been cut short, nobody would have escaped, but for the sake of God's people those days will be cut short.

Romans 11:5-7

So too at the present time there is a remnant selected by God's mercy.

Romans 11:23-24

Those others too, if they do not cling to their unbelief, will be grafted in, for God has the power to graft them in again.

Romans 11:28-32

From the point of view of the good news they are treated as enemies of God on your account; but from the point of view of God's choice, they are dear to him because of their forefathers,

Treasury of Scripture Knowledge

Summary

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.

Bible References

For

Matthew 24:22
If those days had not been cut short, nobody would have escaped, but for the sake of God's people those days will be cut short.
Romans 11:5
So too at the present time there is a remnant selected by God's mercy.