The law made a provision for the putting away a wife in cases of adultery, Deuteronomy 24:1 etc. But the LORD Jesus saith that this was permitted only in consequence of the hardness of their hearts; for from the beginning of the creation of God it was not so. Mark 10:1; Mark 10:5-7, etc. And what a sweet thought is it to the souls of GOD'S people married to Jesus, that notwithstanding all their adultery and spiritual fornication, our gracious Husband never put his wife away. See those blessed Scriptures in confirmation. Isaiah 54:5, etc.. Jeremiah 3:1; Hosea 2:19-20, And though the LORD in several scriptures speaks of the justice of the deed, Jeremiah 3:8; Hosea 2:2. yet the LORD demands where is the bill of divorce, and to which of his creditors did he sell her. Isaiah 1:1. So that there never was a divorce, for the LORD God of Israel saith, that he hateth putting away. Malachi 2:11-16; Hosea 2:7.
Related Commentaries of Matthew 5:31
Matthew 5:31-32
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.