Luke 21:8

And he said: "Take heed that you not are deceived. For many will come in my name, saying, 'I am he,' and, 'The time is near.' Do not go after them.

Matthew 3:2

and saying, "Repent, for the kingdom of heaven is at hand."

Matthew 4:17

From that time Jesus began to preach and say, "Repent, for the kingdom of heaven is at hand."

Ephesians 5:6

Let no one deceive you with empty words, for because of these things the wrath of God comes upon the sons of disobedience.

2 Thessalonians 2:3

Let no one deceive you in any way; for that day will not come, unless the rebellion comes first, and the man of lawlessness is revealed, the son of destruction,

Matthew 24:4-5

And Jesus answered them: "Take heed that no one deceives you.

Matthew 24:11

And many false prophets will rise up and deceive many.

Matthew 24:23-25

Then if any one says to you, 'Look, here is the Christ!' or 'There he is!' do not believe it.

Mark 13:5-6

And Jesus began to say to them: "Take heed that no one deceives you.

Mark 13:21-23

Then if anyone says to you, 'Look, here is the Christ!' or, 'Look, he is there!' do not believe it.

Luke 17:23

And they will say to you, 'Look here!' or 'Look there!' Do not go after them or 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, him you will receive.

John 8:24

Therefore I told to you that you would die in your sins; for if you do not believe that I am he, you will die in your sins."

Acts 5:36-37

For some time ago Theudas rose up, claiming to be somebody, and a group of about four hundred men joined him. But he was killed, and all who followed him were dispersed and came to nothing.

Acts 8:9-10

Now there was a man named Simon, who had formerly practiced magic in the city and amazed all the people of Samaria. He boasted that he was someone great,

2 Corinthians 11:13-15

For such men are false apostles, deceitful workmen, disguising themselves as apostles of Christ.

2 Thessalonians 2:9-11

The coming of the lawless one by the activity of Satan will be with all power and with pretended signs and wonders,

2 Timothy 3:13

while evil men and impostors will go from bad to worse, deceiving and being deceived.

1 John 4:1

Beloved, do not believe every spirit, but test the spirits to see whether they are of God; because many false prophets have gone out into the world.

2 John 1:7

For many deceivers, who do not acknowledge Jesus Christ as coming in the flesh, have gone out into the world. Any such person is the deceiver and the antichrist.

Revelation 1:3

Blessed is he who reads the words of this prophecy, and blessed are those who hear, and who keep what is written in it; for the time is near.

Revelation 12:9

And the great dragon was thrown down, that ancient serpent, who is called the Devil and Satan, the deceiver of the whole worldhe was thrown down to the earth, and his angels were thrown down with him.

Treasury of Scripture Knowledge

Summary

And he said, Take heed that ye be not deceived: for many shall come in my name, saying, I am Christ; and the time draweth near: go ye not therefore after them.

General references

Bible References

For

John 5:43
I have come in my Father's name, and you do not receive me; if another comes in his own name, him you will receive.
Acts 5:36
For some time ago Theudas rose up, claiming to be somebody, and a group of about four hundred men joined him. But he was killed, and all who followed him were dispersed and came to nothing.
Acts 8:9
Now there was a man named Simon, who had formerly practiced magic in the city and amazed all the people of Samaria. He boasted that he was someone great,

And the time

Matthew 3:2
and saying, "Repent, for the kingdom of heaven is at hand."
Matthew 4:17
From that time Jesus began to preach and say, "Repent, for the kingdom of heaven is at hand."
Revelation 1:3
Blessed is he who reads the words of this prophecy, and blessed are those who hear, and who keep what is written in it; for the time is near.

General references

Matthew 24:23
Then if any one says to you, 'Look, here is the Christ!' or 'There he is!' do not believe it.
Mark 13:21
Then if anyone says to you, 'Look, here is the Christ!' or, 'Look, he is there!' do not believe it.
Luke 17:23
And they will say to you, 'Look here!' or 'Look there!' Do not go after them or follow them.