GOD'S WORD® Translation
"I'm against the prophets who speak their own thoughts and say that they speak for me.

American Standard Version
Behold, I am against the prophets, saith Jehovah, that use their tongues, and say, He saith.

Berean Study Bible
“Yes,” declares the LORD, “I am against the prophets who wag their own tongues and proclaim, ‘The LORD declares it.’ ”

Douay-Rheims Bible
Behold I am against the prophets, saith the Lord: who use their tongues, and say: The Lord saith it.

English Revised Version
Behold, I am against the prophets, saith the LORD, that use their tongues, and say, He saith.

King James Bible
Behold, I am against the prophets, saith the LORD, that use their tongues, and say, He saith.

World English Bible
Behold, I am against the prophets, says Yahweh, who use their tongues, and say, He says.

Young's Literal Translation
Lo, I am against the prophets, An affirmation of Jehovah, Who are making smooth their tongue, And they affirm -- an affirmation.

Jeremiah 23:31 Additional Translations ...