Ezekiel 33:33 in the World English Bible
“When this comes to pass—behold, it comes—then they will know that a prophet has been among them.”
Context
32 And, lo, thou art unto them as a very lovely song of one that hath a pleasant voice, and can play well on an instrument: for they hear thy words, but they do them not.
33 And when this cometh to pass, (lo, it will come,) then shall they know that a prophet hath been among them.