Matthew 19:4

And concerning chastity, the holy word teaches us not only not to sin in act, but not even in thought, not even in the heart to think of any evil, nor look on another man's wife with our eyes to lust after her. Solomon, accordingly, …

Therefore the answer follows: who answering said to them. The Lord gives the best manner of responding: because when someone asks in order to learn, the truth should be told at once; but to one who asks in order to bring a charge, the truth …

What then does Christ say? He shows that monogamy is the work and law of Him Who created us at the beginning. For at the beginning, He says, God joined together one man and one woman. So it is not right that one man should …

And he answered and said unto them,.... Not by replying directly to the question, but by referring them to the original creation of man, and to the first institution of marriage, previous to the law of Moses; have ye not read, that he which made them at the beginning, made them male and female?

He who made them, made them male and female from the beginning - At least from the beginning of the Mosaic creation. And where do we read of any other? Does it not follow, that God's making Eve was part of his original design, and not a consequence of Adam's beginning to fall?

He which made them at the beginning - When Adam and Eve were the first of human kind. Made them male and female - Merely through the design of matrimonial union, that the earth might be thus peopled. To answer a case of conscience, a man should act as Christ does here; pay no regard to that which the corruption of manners has introduced into Divine ordinances, but go back to the original will, purpose, and institution of God. Christ will never accommodate his morality to the times, nor to the inclinations of men.

In these verses we have the mind of Christ declared on two subjects of great moment. One is the relation of husband and wife; the other is the light in which we should regard little children in the matter of their souls. It is difficult to overrate the importance of these two subjects: the well-being of nations and the happiness of society are closely connected with right views upon them. Nations are nothing but a collection of families.

In these verses we have the mind of Christ declared on two subjects of great moment. One is the relation of husband and wife; the other is the light in which we should regard little children in the matter of their souls. It is difficult to overrate the importance of these two subjects: the well-being of nations and the happiness of society are closely connected with right views upon them. Nations are nothing but a collection of families. The good order of families depends entirely on keeping up the highest standard of respect for the marriage tie, and on the right training of children. We ought to be thankful that, on both these points, the great head of the church pronounced judgment so clearly. With respect to marriage, our Lord teaches that the union of husband and wife ought never to be broken off, except for the greatest of all causes, namely, actual unfaithfulness. In these days when our Lord was upon earth divorces were permitted among the Jews for the most trifling and frivolous causes. The practice, though tolerated by Moses to prevent worse evils—such as cruelty or murder—had gradually become an enormous abuse, and no doubt led to much immorality ( Malachi 2:14–16 ). The remark made by our Lord’s disciples shows the deplorably low state of public feeling on the subject. They said, “If the case of the man be so it is not good to marry ”They meant, of course, “if a man may not put away his wife for a slight cause at any time, he had better not marry at all.” Such language from the mouths of apostles sounds strange indeed! Our Lord brings forward a widely different standard for the guidance of his disciples. He first founds his judgment on the original institution of marriage.

And he answered and said ... - Instead of referring to the opinions of either party, Jesus called their attention to the original design of marriage, to the authority of Moses an authority acknowledged by them both. Have ye not read? - Gen 1:27; Gen 2:21-22. “And said, For this cause,” etc., Gen 2:24. That is, God, at the beginning, made but one man and one woman: their posterity should learn that the original intention of marriage was that a man should have but one wife. Shall leave his father and mother - This means, shall bind himself more strongly to his wife than he was to his father or mother. The marriage connection is the most tender and endearing of all human relations more tender than even that bond which unites us to a parent. And shall cleave unto his wife - The word “cleave” denotes a union of the firmest kind. It is in the original taken from gluing, and means so firmly to adhere together that nothing can separate them. They twain shall be one flesh - That is, they two, or they that were two, shall be united as one - one in law, in feeling, in interest, in affection. They shall no longer have separate interests, but shall act in all things as if they were one - animated by one soul and one wish. The argument of Jesus here is, that since they are so intimately united as to be one, and since in the beginning God made but one woman for one man, it follows that they cannot be separated but by the authority of God. Man may not put away his wife for every cause. What God has joined together man may not put asunder. In this decision he really decided in favor of one of the parties; and it shows that when it was proper, Jesus answered questions without regard to consequences, from whatever cause they might have been proposed, and however much difficulty it might involve him in. Our Lord, in this, also showed consummate wisdom. […]