It has also been said, ‘Whoever divorces his wife must give her a certificate of divorce.’
Matthew 5:31. Whosoever shall put away his wife. As a more suitable occasion for discussing and explaining this doctrine at greater length will afterwards occur, (Matthew 19:9,) I shall now state briefly what Christ says in this passage. As the Jews falsely imagined that they discharged their whole duty toward God, when they kept the law in a national manner, so whatever the national law...
We have here an exposition of the seventh commandment, given us by the same hand that made the law, and therefore was fittest to be the interpreter of it: it is the law against uncleanness, which fitly follows upon the former; that laid a restraint upon sinful passions, this upon sinful appetites, both which ought always to be under the government of reason and conscience...
Commenting on Matthew 5:27-32
It hath been said,.... It is not added here, as in the former instances, "by them of old time"; nor prefaced with these words, "ye have heard"; because the case of divorce was not any law of Moses, or of God by him; but only a permission, because of the hardness of the hearts of the Jews: and as to the controversy, about the causes...