Mark 13:20

And unless the Lord shortened those days, no flesh would be saved: but for the sake of the elect, whom He chose, He shortened the days.

Matthew 24:22

And if those days were not shortened, no life would be saved: but for the sake of the elect those days will be shortened.

Romans 11:5-7

Thus then there is even at this time a remnant left according to the election of grace:

Romans 11:23-24

But these also, if they may not abide in unbelief, shall be grafted in: for God is able to graft them in again.

Romans 11:28-32

They are enemies indeed, as touching the gospel, for your sakes: but beloved with reference to election for the sake of the fathers:

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
And if those days were not shortened, no life would be saved: but for the sake of the elect those days will be shortened.
Romans 11:5
Thus then there is even at this time a remnant left according to the election of grace: