Luke 21:8

And he said, Take care that you are not tricked: for a number of people will come in my name, saying, I am he; and, The time is near: do not go after them.

Jeremiah 29:8

For this is what the Lord of armies, the God of Israel, has said: Do not let yourselves be tricked by the prophets who are among you, and the readers of signs, and give no attention to their dreams which they may have;

Matthew 3:2

Saying, Let your hearts be turned from sin; for the kingdom of heaven is near.

Matthew 4:17

From that time Jesus went about preaching and saying, Let your hearts be turned from sin, for the kingdom of heaven is near.

Ephesians 5:6

Do not be turned from the right way by foolish words; for because of these things the punishment of God comes on those who do not put themselves under him.

2 Thessalonians 2:3

Give no belief to false words: because there will first be a falling away from the faith, and the revelation of the man of sin, the son of destruction,

Matthew 24:4-5

And Jesus said to them in answer, Take care that you are not tricked.

Matthew 24:11

And a number of false prophets will come, causing error.

Matthew 24:23-25

Then if any man says to you, See, here is the Christ, or, Here; do not put faith in him;

Mark 13:5-6

And Jesus said to them, Take care that you are not tricked by anyone.

Mark 13:21-23

And then if any man says to you, See, here is Christ; or, See, there; have no faith in it:

Luke 17:23

And if they say to you, See, it is there! or, It is here! do not go away, or go after them.

John 5:43

I have come in my Father's name, and your hearts are not open to me. If another comes with no other authority but himself, you will give him your approval.

John 8:24

For this reason I said to you that death will overtake you in your sins: for if you have not faith that I am he, death will come to you while you are in your sins.

Acts 5:36-37

For before this there was Theudas, who said he was someone important, to whom about four hundred men gave their support: he was put to death, and his band was broken up and came to nothing.

Acts 8:9-10

But there was a certain man named Simon, who in the past had been a wonder-worker and a cause of surprise to the people of Samaria, saying that he himself was a great man:

2 Corinthians 11:13-15

For such men are false Apostles, workers of deceit, making themselves seem like Apostles of Christ.

2 Thessalonians 2:9-11

Even the one whose coming is marked by the working of Satan, with all power and signs and false wonders,

2 Timothy 3:13

Evil and false men will become worse and worse, using deceit and themselves overcome by deceit.

1 John 4:1

My loved ones, do not put your faith in every spirit, but put them to the test, to see if they are from God: because a great number of false prophets have gone out into the world.

2 John 1:7

Because a number of false teachers have gone out into the world, who do not give witness that Jesus Christ came in the flesh. Such a one is a false teacher and Antichrist.

Revelation 1:3

A blessing be on the reader, and on those who give ear to the prophet's words, and keep the things which he has put in the book: for the time is near.

Revelation 12:9

And the great dragon was forced down, the old snake, who is named the Evil One and Satan, by whom all the earth is turned from the right way; he was forced down to the earth, and his angels were forced 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 your hearts are not open to me. If another comes with no other authority but himself, you will give him your approval.
Acts 5:36
For before this there was Theudas, who said he was someone important, to whom about four hundred men gave their support: he was put to death, and his band was broken up and came to nothing.
Acts 8:9
But there was a certain man named Simon, who in the past had been a wonder-worker and a cause of surprise to the people of Samaria, saying that he himself was a great man:

And the time

Matthew 3:2
Saying, Let your hearts be turned from sin; for the kingdom of heaven is near.
Matthew 4:17
From that time Jesus went about preaching and saying, Let your hearts be turned from sin, for the kingdom of heaven is near.
Revelation 1:3
A blessing be on the reader, and on those who give ear to the prophet's words, and keep the things which he has put in the book: for the time is near.

General references

Matthew 24:23
Then if any man says to you, See, here is the Christ, or, Here; do not put faith in him;
Mark 13:21
And then if any man says to you, See, here is Christ; or, See, there; have no faith in it:
Luke 17:23
And if they say to you, See, it is there! or, It is here! do not go away, or go after them.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain