Mark 13:20

And unless the Lord had shortened those days, no flesh would be saved; but for the elect's sake, whom He chose, He shortened the days.

Surrounding context

13:19 For in those days there will be tribulation, such as has not been since the beginning of the creation which God created until this time, nor ever shall be.

13:20 And unless the Lord had shortened those days, no flesh would be saved; but for the elect's sake, whom He chose, He shortened the days.

13:21 "Then if anyone says to you, "Look, here is the Christ!' or, "Look, He is there!' do not believe it.

Translation and sources