King James Version
The prophet which prophesieth of peace, when the word of the prophet shall come to pass, then shall the prophet be known, that the LORD hath truly sent him.New International Version
But the prophet who prophesies peace will be recognized as one truly sent by the LORD only if his prediction comes true."Catholic Public Domain Version
The prophet who has predicted peace, if his word will occur, then the prophet will be known as one whom the Lord has sent in truth.