Matthew 5:31-33

Young's Literal Translation

³¹ `And it was said, That whoever may put away his wife, let him give to her a writing of divorce;

³² but I -- I say to you, that whoever may put away his wife, save for the matter of whoredom, doth make her to commit adultery; and whoever may marry her who hath been put away doth commit adultery.

³³ `Again, ye heard that it was said to the ancients: Thou shalt not swear falsely, but thou shalt pay to the Lord thine oaths;