Did ye not know? Our Lord justly blames his mother, though he does it in a gentle and indirect manner. The amount of what he says is, that the duty which he owes to God his Father, ought to be immeasurably preferred to all human duties; and that, consequently, earthly parents do wrong in taking it amiss, that they have been neglected in comparison of God. And hence we may infer the general doctrine, that whatever we owe to men must yield to the first table of the law, that God's authority over us may remain untouched. [1] Thus we ought to obey kings, and parents, and masters, [2] but only in subjection to God: that is, we must not, for the sake of men, lessen or take away any thing from God. And, indeed, a regard to the superior claims of God does not imply a violation of the duties which we owe to men. In those things which belong to my Father This expression intimates, that there is something about him greater than man. It points out also the chief design of his being sent into the world, which was, that he might discharge the office enjoined upon him by his heavenly Father. But is it not astonishing, that Joseph and Mary did not understand this answer, who had been instructed by many proofs, that Jesus is the Son of God? I reply: Though they were not wholly unacquainted with Christ's heavenly origin, yet they did not comprehend, in every respect, how he was intent on executing his heavenly Father's commands: for his calling had not yet been expressly revealed to them. Mary kept in her heart those things which she did not fully understand. Let us learn from this, to receive with reverence, and to lay up in our minds, (like the seed, which is allowed to remain for some time under grounds) those mysteries of God which exceed our capacity.

Footnotes

1 - "Que tout ce qui est deu aux hommes, est au dessous de la premiere Table de la Loy, et doit tenir le second lieu, afin que toujours Dieu ait sa puissance et son authorite entiere." -- "That all that is due to men is below the first Table of the Law, and ought to hold the second plane, in order that God may always have his power and his authority entire."

2 - "Dominis;" -- "maistres et seigneurs;" -- "masters and lords."

How is it - "Why" have ye sought me with so much anxiety? "Mary" should have known that the Son of God was safe; that his heavenly Father would take care of him, and that he could do nothing amiss.
Wist ye not - "Know ye not." You had reason to know. You knew my design in coming into the world, and that design was "superior" to the duty of obeying earthly parents, and they should be willing always to give me up to the proper business for which I live.
My Father's business - Some think that this should be translated "in my Father's house" - that is, in the temple. Jesus reminded them here that he came down from heaven; that he had a higher Father than an earthly parent; and that, even in early life, it was proper that he should be engaged in the work for which he came. He did not enter, indeed, upon his public work for eighteen years after this; yet still the work of God was "his" work, and always, even in childhood, it was proper for him to be engaged in the great business for which he came down from heaven.

How is it that ye sought me? - Is not this intended as a gentle reproof? Why had ye me to seek? Ye should not have left my company, when ye knew I am constantly employed in performing the will of the Most High.
My Father's business? - Εν τοις του πατρος μου, My Father's concerns. Some think that these words should be translated, In my Father's house; which was a reason that they should have sought him in the temple only. As if he had said, Where should a child be found, but in his father's house? This translation is defended by Grotius, Pearce, and others; and is the reading of the Syriac, later Persic, and Armenian versions. Our Lord took this opportunity to instruct Joseph and Mary concerning his Divine nature and mission. My Father's concerns. This saying, one would think, could not have been easily misunderstood. It shows at once that he came down from heaven. Joseph had no concerns in the temple; and yet we find they did not fully comprehend it. How slow of heart is man to credit any thing that comes from God!

And he said unto them, how is it that ye sought me?.... That is, with so much uneasiness and distress of mind, not trusting in the power and providence of God, to take care of him; and in other places, besides the temple, where they had been inquiring for him:
wist ye not that I must be about my Father's business? or "in my Father's house", as the Syriac and Persic versions render it; where, as soon as you missed me, you might, at once, have concluded I was, and not have put yourselves to so much trouble and pains in seeking for me. Christ seems to tax them with ignorance, or, at least, forgetfulness of his having a Father in heaven, whose business he came to do on earth; and which they should have thought in their own minds he was now about, and so have made themselves easy. The business that Christ came about was to preach the Gospel, and which he afterwards performed with great clearness and fulness, with much power, majesty, and authority, with great constancy and diligence, with much concern for the souls of men, arid with great awfulness; and in which he took great delight, though he went through many dangers and risks of life; as also to work miracles in proof of his deity and Messiahship, and for the good of the bodies of men, and in which he was very assiduous, going about every where doing good this way: but the main, and principal part of his business was, to work out salvation for his people, by fulfilling the law, making reconciliation and atonement for their sins, and obtaining eternal redemption: this was a business which neither angels nor men could do; was very toilsome and laborious, and yet he delighted in it; nor did he desist from it until it was accomplished: and this is called his Father's business, because he contrived and assigned it to him; he called him to it, and sent him to perform; he enjoined it to him as man and mediator, and the glory of his perfections was concerned in it, and secured by it: and it was a business that Christ must be about, be concerned in, and perform, because he engaged to do it from all eternity; and because it was the will of his Father, which must be done, and was necessary in order to show himself dutiful and obedient; and because it was foretold in prophecy again and again and promised that it should be done; and because it could not be done by another. Now our Lord's conversing with the doctors, and which was a branch of his prophetic office, and was, no doubt, with a view to the good of the souls of men, and nothing less than miraculous, was a show, a prelude of, and a sort of an entrance upon the business he came about.

about my Father's business--literally, "in" or "at My Fathers," that is, either "about My Father's affairs," or "in My Father's courts"--where He dwells and is to be found--about His hand, so to speak. This latter shade of meaning, which includes the former, is perhaps the true one, Here He felt Himself at home, breathing His own proper air. His words convey a gentle rebuke of their obtuseness in requiring Him to explain this. "Once here, thought ye I should so readily hasten away? Let ordinary worshippers be content to keep the feast and be gone; but is this all ye have learnt of Me?" Methinks we are here let into the holy privacies of Nazareth; for what He says they should have known, He must have given them ground to know. She tells Him of the sorrow with which His father and she had sought Him. He speaks of no Father but one, saying, in effect, My Father has not been seeking Me; I have been with Him all this time; "the King hath brought me into His chambers . . . His left hand is under my head, and His right hand doth embrace me" (Song 1:4; Song 2:6). How is it that ye do not understand? (Mark 8:21).

How is it that ye sought me? Did ye not know that I must be in my Father's house? That is, in the temple, where they did find him. They ought to have come there at once. These words are the first in which he reveals his consciousness of his supernatural birth.

Why sought ye me? - He does not blame them for losing, but for thinking it needful to seek him: and intimates, that he could not be lost, nor found any where, but doing the will of a higher parent.