Mark 13:6
Many will come in my name, saying, 'I am he!' and they will lead many astray.
Mark 13:22
For false christs and false prophets will arise and perform signs and wonders, to lead astray, if possible, the elect.
Jeremiah 14:14
And the LORD said to me: "The prophets are prophesying lies in my name. I did not send them, nor did I command them or speak to them. They are prophesying to you a lying vision, worthless divination, and the deceit of their own minds.
Jeremiah 23:21-25
"I did not send the prophets, yet they ran; I did not speak to them, yet they prophesied.
Matthew 24:5
For many will come in my name, saying, 'I am the Christ,' and they will lead many astray.
Matthew 24:11
And many false prophets will arise and lead many astray.
Matthew 24:23-24
Then if anyone says to you, 'Look, here is the Christ!' or 'There he is!' do not believe it.
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.
John 8:24
I told you that you would die in your sins, for unless you believe that I am he you will die in your sins."
Acts 5:36-39
For before these days Theudas rose up, claiming to be somebody, and a number of men, about four hundred, joined him. He was killed, and all who followed him were dispersed and came to nothing.
1 John 4:1
Beloved, do not believe every spirit, but test the spirits to see whether they are from God, for many false prophets have gone out into the world.