17:24-27 Peter felt sure that his Master was ready to do what was right. Christ spoke first to give him proof that no thought can be withholden from him. We must never decline our duty for fear of giving offence; but we must sometimes deny ourselves in our worldly interests, rather than give offence. However the money was lodged in the fish, He who knows all things alone could know it, and only almighty power could bring it to Peter's hook. The power and the poverty of Christ should be mentioned together. If called by providence to be poor, like our Lord, let us trust in his power, and our God shall supply all our need, according to his riches in glory by Christ Jesus. In the way of obedience, in the course, perhaps, of our usual calling, as he helped Peter, so he will help us. And if any sudden call should occur, which we are not prepared to meet, let us not apply to others, till we first seek Christ.

26. Peter saith unto him, Of strangers—"of those not their children."

Jesus saith unto him, Then are the children free—By "the children" our Lord cannot here mean Himself and the Twelve together, in some loose sense of their near relationship to God as their common Father. For besides that our Lord never once mixes Himself up with His disciples in speaking of their relation to God, but ever studiously keeps His relation and theirs apart (see, for example, on the last words of this chapter)—this would be to teach the right of believers to exemption from the dues required for sacred services, in the teeth of all that Paul teaches and that He Himself indicates throughout. He can refer here, then, only to Himself; using the word "children" evidently in order to express the general principle observed by sovereigns, who do not draw taxes from their own children, and thus convey the truth respecting His own exemption the more strikingly:—namely, "If the sovereign's own family be exempt, you know the inference in My case"; or to express it more nakedly than Jesus thought needful and fitting: "This is a tax for upholding My Father's House. As His Son, then, that tax is not due by Me—I AM FREE."