The question put to Peter possibly implies a doubt whether this Rabbi, who held lax views on so many points of Pharisaical righteousness, would be likely to recognise the obligation of the tax. Peter's quick answer seems to be prompted by zeal for his Master's honour, on which the question appears to him to cast a slur. It was perhaps too quick, but the apostle has been too much blamed for his answer, which was in fact correct, and for which our Lord does not blame him. When he comes to Christ to tell what has happened, before he can speak, Christ puts to him this little parable which I have taken as part of my text: 'How thinkest thou? Do kings of this world take custom?'--meaning thereby not imports or exports, but taxes of all kinds of things,--'or tribute,'--meaning thereby taxes on persons--'from their own children, or from subjects who are not their children?' The answer, of course, is, 'From the latter.' So the answer comes, 'Then are the children free.' Christ then here claims in some sense, Sonship to Him to whom the tribute is paid, that is, to God, and therefore freedom from the obligation to pay the tribute. But notice, for this is an important point in the explanation of the words, that the plural in our Lord's words, 'Then are the children free,' is not intended to include Peter and the others in the same category as Himself. The only question in hand is as to His obligation to pay a certain tax; and to include any one else would have been irrelevant, as well as erroneous. The plural belongs to the illustration, not to its application, and corresponds with the plural in the question, 'Of whom do the _kings_ of the earth take custom?' The kings of the earth are contrasted with the one King of the heavens, the supreme and sole Sovereign; and the children of the kings of the earth are contrasted with the only begotten Son of the only King of kings and Lord of lords. So that here there is no mixing up of Himself with others, or of others with Himself, but the claiming of an unique position, singular and sole, belonging to Him only, in which He stands as the Son of the mighty Monarch to whom the tribute is paid. He claims to have the divine nature, the divine prerogatives, to bear a specific relationship to God Himself, and to be, as other words in Scripture put it, 'the brightness of the Father's glory and the express image of His person.' If there is anything certain about Jesus Christ's teaching, this is certain about it, that He proclaimed Himself to be the Son of God, in such a sense as no man shared with Him, and in such a sense as vindicated the attitude which He took up, the demands which He made, and the gifts which He offered to men.