Bible Verses About False Prophets: Pretended to be sent by God

They say continually to those who despise me, the LORD has said, You shall have peace; and to everyone who walks in the stubbornness of his own heart they say, No evil shall come on you.

For who has stood in the council of the LORD, that he should perceive and hear his word? who has marked my word, and heard it?

Behold, I am against the prophets, says the LORD, who use their tongues, and say, He says.