Matthew 24:20-24

Moreover, pray that when you flee, it will not be in the winter, or on a Sabbath.

For then there will be a great tribulation, such as has not occurred since the beginning of the world until now, nor ever will again.

And if those days had not been cut short, no life would have been saved; but for the sake of the elect those days will be cut short.

Then if anyone says to you, ‘Behold, here is the Christ,’ or ‘He is over here,’ do not believe him.

For false christs and false prophets will arise and will provide great signs and wonders, so as to mislead, if possible, even the elect.