Matthew 24:23

And, at that time, if any one should say to you 'Look! here is the Christ!' or 'Here he is!', do not believe it;

Luke 21:8

And Jesus said: "See that you are not led astray; for many will take my name, and come saying 'I am He,' and 'The time is close at hand.' Do not follow them.

Mark 13:21

And at that time if any one should say to you 'Look, here is the Christ!' 'Look, there he is!', do not believe it;

Luke 17:23-24

People will say to you 'There he is! or 'Here he is!' Do not go and follow them.

John 5:43

I have come in my Father's name, and you do not receive me; if another comes in his own name, you will receive him.

Treasury of Scripture Knowledge

Summary

Then if any man shall say unto you, Lo, here is Christ, or there; believe it not.

Bible References

General references

Mark 13:21
And at that time if any one should say to you 'Look, here is the Christ!' 'Look, there he is!', do not believe it;
Luke 17:23
People will say to you 'There he is! or 'Here he is!' Do not go and follow them.
Luke 21:8
And Jesus said: "See that you are not led astray; for many will take my name, and come saying 'I am He,' and 'The time is close at hand.' Do not follow them.
John 5:43
I have come in my Father's name, and you do not receive me; if another comes in his own name, you will receive him.