Mark 13:6
For many shall come in my name, saying, 'I am Christ,' and shall deceive many.
Mark 13:22
For false Christs shall arise, and false prophets; And shall show miracles and wonders, to deceive if it were possible, even the elect.
Jeremiah 14:14
And the LORD said unto me, "The prophets preach lies unto them in my name. I have not spoken with them, neither gave I them any charge, neither did I send them. Yet they preach unto you false visions, charming vanity, and deceitfulness of their own heart.
Jeremiah 23:21-25
"I have not sent these Prophets, sayeth the LORD, "and yet they ran. I have not spoken to them, and yet they preached.
Matthew 24:5
For many shall come in my name saying, 'I am Christ': and shall deceive many.
Matthew 24:11
And many false prophets shall arise, and shall deceive many.
Matthew 24:23-24
Then if any man shall say unto you, 'Lo, here is Christ,' or 'There is Christ': believe it not:
John 5:43
I am come in my father's name, and ye receive me not. If another shall come in his own name, him will ye receive.
John 8:24
I said therefore unto you, that ye shall die in your sins. For except ye believe that I am he, ye shall die in your sins."
Acts 5:36-39
Before these days rose up one Theudas boasting himself, to whom resorted a number of men, about a four hundred, which was slain, and they all which believed him were scattered abroad, and brought to nought.
1 John 4:1
Ye beloved, believe not every spirit: but prove the spirits whether they be of God, or not: for many false prophets are gone out in to the world.