Bible Verses About False Prophets: Not sent or commissioned by God

Then Jehovah said unto me, The prophets prophesy lies in my name; I sent them not, neither have I commanded them, neither spake I unto them: they prophesy unto you a lying vision, and divination, and a thing of nought, and the deceit of their own heart.

I sent not these prophets, yet they ran: I spake not unto them, yet they prophesied.

Send to all them of the captivity, saying, Thus saith Jehovah concerning Shemaiah the Nehelamite: Because that Shemaiah hath prophesied unto you, and I sent him not, and he hath caused you to trust in a lie;