How were the people to know the false prophets from the true? The former bring a message that fills with vain hopes, or “speak a vision” out of their own invention.
Related Commentaries of Jeremiah 23:16
Jeremiah 23:16
16 Thus saith the LORD of hosts, Hearken not unto the words of the prophets that prophesy unto you: they make you vain: they speak a vision of their own heart, and not out of the mouth of the LORD.