Luke 21:8

And he said, See ye, be not deceived: for many shall come in my name,. saying, That I am; and the time has drawn near: therefore go not after them.

Jeremiah 29:8

For thus said Jehovah of armies, God of Israel, Your prophets in the midst of you shall not deceive to you, and your diviners and you shall not hear to your dreams which ye dream.

Matthew 3:2

And saying, Repent, for the kingdom of the heavens has drawn near.

Matthew 4:17

From then Jesus began to proclaim, and to say, Repent: for the kingdom of the heavens has drawn near.

Ephesians 5:6

Let none lead you astray with vain words: for by these things comes the anger of God upon the sons of disobedience.

2 Thessalonians 2:3

Let none deceive you in any manner: for, except an apostasy come first, and the man of sin be revealed, the son of perdition;

Matthew 24:4-5

And Jesus having answered, said to them, See lest any lead you astray.

Matthew 24:11

And many false prophets shall be raised up, and deceive many.

Matthew 24:23-25

Then if any say to you, Behold, here Christ, or there; believe ye not.

Mark 13:5-6

And Jesus having answered began to say to them, See ye lest any should lead you astray:

Mark 13:21-23

And if any say to you, Behold, here Christ; or, behold, there; believe ye not:

Luke 17:23

And they shall say to you, Behold here, or; behold there: go not away, nor pursue.

John 5:43

I have come in the name of my Father, and ye receive me not: if another should come in his own name, him will ye receive.

John 8:24

I said therefore to you, that ye shall die in your sins: for if ye believe not that I am, ye shall die in your sins.

Acts 5:36-37

For before these days Theudas arose, saying himself to be somebody: which a number of men followed, about four hundred, who was slain; and all, as many as believed him, were destroyed, and were for nothing.

Acts 8:9-10

And a certain man, Simon by name, was before in the city using magic, and astonishing the nation of Samaria, saying himself to be somebody great:

2 Corinthians 11:13-15

For such the falsely sent, crafty workers, being transformed into the sent of Christ.

2 Thessalonians 2:9-11

Whose arrival is according to the energy of Satan in all power and signs and wonders of falsehood,

2 Timothy 3:13

And evil men and impostors shall proceed to worse, deceiving, and being deceived.

1 John 4:1

Dearly beloved, believe not every spirit, but try the spirits if they are of God: for many false prophets have come out into the world.

2 John 1:7

For many cheats come into the world, they not acknowledging Jesus Christ coming in the flesh. This is the cheat and antichrist.

Revelation 1:3

Happy he reading, and they hearing the words of the prophecy, and keeping the things written in it, for the time is near.

Revelation 12:9

And the great dragon was cast out, the old serpent, called the Devil, and Satan, he deceiving the whole habitable globe: he was cast into the earth, and his angels were cast out 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 the name of my Father, and ye receive me not: if another should come in his own name, him will ye receive.
Acts 5:36
For before these days Theudas arose, saying himself to be somebody: which a number of men followed, about four hundred, who was slain; and all, as many as believed him, were destroyed, and were for nothing.
Acts 8:9
And a certain man, Simon by name, was before in the city using magic, and astonishing the nation of Samaria, saying himself to be somebody great:

And the time

Matthew 3:2
And saying, Repent, for the kingdom of the heavens has drawn near.
Matthew 4:17
From then Jesus began to proclaim, and to say, Repent: for the kingdom of the heavens has drawn near.
Revelation 1:3
Happy he reading, and they hearing the words of the prophecy, and keeping the things written in it, for the time is near.

General references

Matthew 24:23
Then if any say to you, Behold, here Christ, or there; believe ye not.
Mark 13:21
And if any say to you, Behold, here Christ; or, behold, there; believe ye not:
Luke 17:23
And they shall say to you, Behold here, or; behold there: go not away, nor pursue.