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14. And the anger of the Lord was kindled. This passage confirms, by opposition, that expression, that there is no better sacrifice than to obey the voice of the Lord, (1 Samuel 15:22,) since God is so grievously offended with the hesitation of Moses, in spite of his specious excuses. But nothing is more pleasing to God than to maintain the authority of his word, and that men should suffer themselves to be guided by this rein. God had pardoned His servant’s slowness and unwillingness to the work; but beholding that he obstinately refused, He spares him no longer. Hence we are warned cautiously to beware, lest if God bear with us for a time, we give way to self-indulgence, as if we were permitted to abuse His patience with impunity. Still it is a mark of His fatherly kindness, that in His anger He contents Himself with reproof. As to His saying that he knew that Aaron would be his brother’s interpreter, it is questionable whether He had intended from the beginning to employ him in this way, or whether He conceded thus much at length to the diffidence of Moses.

It is indeed true, that God does nothing which He has not decreed by His secret providence before the creation of the world; yet sometimes second causes intervene why this or that should be done. Either view is probable, — either that God affirms Aaron to be already chosen by Him to be an assistant to Moses, or that He says He will grant this concession to the infirmity of Moses. The latter pleases me best, that Aaron should be added in anger as his brother’s companion, and that part of the honor should be transferred to him; when Moses, by his own repugnance, had deprived himself of some of his dignity. But why is he called “the Levite,” as if he were an unknown person? Some reply, that there were many among the Israelites of that name; but this simple solution satisfies me, that it was not any indifferent individual of the children of Israel who was promised to Moses as his companion, but his own brother; one who, by his close relationship, might exercise greater familiarity with him. Unless, perhaps, God looked forward to the future calling of the tribe of Levi; for he tells us, by the mouth of Malachi, that His covenant was with Levi, that his descendants should be the keepers of the law and of the truth, and the messengers of the Lord of hosts. (Malachi 2:4-8.) Thus the sense would be very satisfactory, that God would restrain His wrath, and although aroused to anger by the refusal of Moses, he would still take an ambassador out of that tribe which he destined to the priesthood. Moreover, no slight confirmation is added, in that Aaron would come forth to meet his brother in the Desert, and would receive him with great joy. It was as much as to shew that whilst God was pressing forward His servant from the land of Midian with the one hand, He would stretch forth the other to draw him into Egypt. Though the vision ought to have quickened him to perform God’s command, yet because it was necessary to stimulate his inactivity, Aaron was sent, as if God openly put forth His hand to excite him forward. For he had neither come into the Desert for pleasure, nor by chance, nor from vain curiosity; but Moses knew assuredly that a banner thus was set up for him by God, to shew him the certainty of his way. So by the coming of Ananias the vision seen by Paul was confirmed, and placed beyond the reach of doubt. (Acts 9:17.) This was, indeed, extorted from God by the importunity of Moses. According to His infinite goodness He willed to elicit from the sin of His servant materials for His grace; just as He is accustomed to bring light out of darkness. (2 Corinthians 4:6.) God mentions his brother’s gladness to Moses, in order to reprove his own indifference; as much as to say, Aaron will willingly come forth, and will receive you with joy and gladness; whilst you, depressed with sorrow and anxiety, or stupified by distrust, can scarcely be induced to stir a foot.

16. And he shall be thy spokesman. God destroys the pretext for his exemption, by assigning to his brother the office of spokesman, and yet does He not put the other in his place; nay, so merciful is the arrangement, that while He yields to His servant’s prayer, He yet confers honor upon him in spite of himself. The offices are thus divided — Moses is to have the authority, Aaron is to be the interpreter. Thus Moses is set before his brother, from no respect to his own dignity; because the grace of God was to shine forth conspicuously in the head no less than in the members; as it is expressed in these words, that “Aaron should be instead of a mouth, and Moses instead of God;” i e., that he was to dictate what Aaron should faithfully report, and to prescribe what he should obediently follow. By this example did God bear witness that the gifts of the Spirit, as well as our vocations, are distributed by Him at His own good pleasure; and that none excels either in honor or in gifts, except according to the measure of His free bounty. But that the first-born is made subject to the younger, and is only appointed to be his spokesman, whereas God might have accomplished by his hand and labor, what he rather chose to perform by Moses; hence let us learn reverently to regard His judgments, because they are incomprehensible to us, and like a deep abyss. “To be instead of God” is the same as to lead or to direct, or to have the chief command; as the Chaldee Paraphrast⁵⁵⁵⁵     In the Targum of Onkelos, who has employed רב for the אלהים of the Hebrew. — W renders it, to be the chief or master. It is a very weak calumny of the Arians to abuse this and similar passages, in order to refute the proofs of Christ’s divinity, because there is a great difference in speaking of one as God simply and absolutely, and with circumstantial additions. For we know that the name of God is attributed to every potentate, improperly indeed, yet not unreasonably; as when the devil himself is called “the god of this world,” (2 Corinthians 4:4;) but wherever mention is made of the true Deity, Scripture never profanes that sacred name.