Mark 13:21

"If anyone says to you at that time, 'Look! Here is the Christ,' or, 'Look! There He is,' do not believe it.

Luke 21:8

So He said, "You must take care not to be misled about it! For many will come bearing the name of Messiah, and saying, 'I am He,' and, 'The time is near.' Do not go after them.

Matthew 24:5

for many will come bearing the name of the Messiah, and saying, 'I am the Christ,' and will mislead many people.

Matthew 24:23-25

"If anyone at that time says to you, 'Here is the Christ!' or 'There He is!' do not believe it,

Luke 17:23-24

And men will say to you, 'Look! There he is!' or, 'Look! Here He is!' Do not start in pursuit of Him,

John 5:43

I have come in my Father's name, but you refuse to accept me. If anyone else should come in his own name, you would accept him.

Treasury of Scripture Knowledge

Summary

And then if any man shall say to you, Lo, here is Christ; or, lo, he is there; believe him not:

Bible References

General references

Matthew 24:5
for many will come bearing the name of the Messiah, and saying, 'I am the Christ,' and will mislead many people.
Luke 17:23
And men will say to you, 'Look! There he is!' or, 'Look! Here He is!' Do not start in pursuit of Him,
Luke 21:8
So He said, "You must take care not to be misled about it! For many will come bearing the name of Messiah, and saying, 'I am He,' and, 'The time is near.' Do not go after them.
John 5:43
I have come in my Father's name, but you refuse to accept me. If anyone else should come in his own name, you would accept him.