Matthew 5:31-33

King James Version

³¹ It hath been said, Whosoever shall put away his wife, let him give her a writing of divorcement:

³² But I say unto you, That whosoever shall put away his wife, saving for the cause of fornication, causeth her to commit adultery: and whosoever shall marry her that is divorced committeth adultery.

³³ Again, ye have heard that it hath been said by them of old time, Thou shalt not forswear thyself, but shalt perform unto the Lord thine oaths: