NET
26 Those prophets are just prophesying lies. They are prophesying the delusions of their own minds.
Darby
26 How long shall [this] be in the heart of the prophets who prophesy falsehood, and who are prophets of the deceit of their own heart?
KJV
26 How long shall [this] be in the heart of the prophets that prophesy lies? yea, [they are] prophets of the deceit of their own heart;