Mark 13:6
For many shall come in my name, saying, That I am; and they shall lead many astray.
Mark 13:22
For false Christs and false prophets shall be raised up, and shall give signs and wonders, to deceive, if possible, also the chosen.
Jeremiah 14:14
And Jehovah will say to me, The prophets are prophesying a lie in my name: I sent them not, and I commanded them not, and I spake not to them: a vision of falsehood and a divination, and nought, and the deceit of their heart they are prophesying to you.
Jeremiah 23:21-25
I sent not the prophets, and they ran; I spake not to them, and they prophesied.
Matthew 24:5
For many shall come upon my name, saying, I am Christ; and deceive many.
Matthew 24:11
And many false prophets shall be raised up, and deceive many.
Matthew 24:23-24
Then if any say to you, Behold, here Christ, or there; believe ye not.
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 5:36-39
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.
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.