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4. When the fullness of the time was come. He proceeds with the comparison which he had adduced, and applies to his purpose the expression which has already occurred, “the time appointed by the Father,” — but still shewing that the time which had been ordained by the providence of God was proper and seasonable. That season is the most fit, and that mode of acting is the most proper, which the providence of God directs. At what time it was expedient that the Son of God should be revealed to the world, it belonged to God alone to judge and determine. This consideration ought to restrain all curiosity. Let no man presume to be dissatisfied with the secret purpose of God, and raise a dispute why Christ did not appear sooner. If the reader desires more full information on this subject, he may consult what I have written on the conclusion of the Epistle to the Romans.
God sent forth his Son. These few words contain much instruction. The Son, who was sent, must have existed before he was sent; and this proves his eternal Godhead. Christ therefore is the Son of God, sent from heaven. Yet this same person was made of a woman, because he assumed our nature, which shews that he has two natures. Some copies read natum instead of filium; but the latter reading is more generally followed, and, in my opinion, is preferable. But the language was also expressly intended to distinguish Christ from other men, as having been formed of the substance of his mother, and not by ordinary generation. In any other sense, it would have been trifling, and foreign to the subject. The word woman is here put generally for the female sex.
Subjected under the law. The literal rendering is, Made under the law; but in my version I have preferred another word, which expresses more plainly the fact that he was placed in subjection to the law. Christ the Son of God, who might have claimed to be exempt from every kind of subjection, became subject to the law. Why? He did so in our room, that he might obtain freedom for us. A man who was free, by constituting himself a surety, redeems a slave: by putting on himself the chains, he takes them off from the other. So Christ chose to become liable to keep the law, that exemption from it might be obtained for us; otherwise it would have been to no purpose that he should come under the yoke of the law, for it certainly was not on his own account that he did so.
To redeem them that were under the law 6666 “So far was he from subjecting to the yoke of the law those to whom the law had not been given, that he came in order to emancipate even the Jews themselves.” — Wetstein. We must here observe, the exemption from the law which Christ has procured for us does not imply that we no longer owe any obedience to the doctrine of the law, and may do whatever we please; for the law is the everlasting rule of a good and holy life. But Paul speaks of the law with all its appendages. From subjection to that law we are redeemed, because it is no longer what it once was. “The vail being rent,” (Matthew 27:51,) freedom is openly proclaimed, and this is what he immediately adds.