Malachi 2:14 in the King James Version
Yet ye say, Wherefore? Because the LORD hath been witness between thee and the wife of thy youth, against whom thou hast dealt treacherously: yet is she thy companion, and the wife of thy covenant.
Context
13 “This again you do: you cover the LORD’s altar with tears, with weeping, and with sighing, because he doesn’t regard the offering any more, neither receives it with good will at your hand.
14 Yet you say, ‘Why?’ Because the LORD has been witness between you and the wife of your youth, against whom you have dealt treacherously, though she is your companion and the wife of your covenant.
15 Did he not make you one, although he had the residue of the Spirit? Why one? He sought godly offspring. Therefore take heed to your spirit, and let no one deal treacherously against the wife of his youth.