1 The section of the Gospel which has been read, most dearly beloved brethren, looks for the pure eye of the heart. For from John's Gospel we have understood our Lord Jesus Christ according to His Divinity for the creating of the whole creation, and according to His Humanity for the recovery of the creature fallen. Now in this same Gospel we find what sort and how great a man was John, that from the dignity of the dispenser it may be understood of how great a price is the Word which could be announced by such a man; yea, rather how without price is That which surpasses all things.
For any purchasable thing is either equal to the price, or it is below it, or it exceeds it. When any one procures a thing for as much as it is worth, the price is equal to the thing which is procured; when for less, it is below it; when for more, it exceeds it. But to the Word of God nothing can either be equalled, or to exchange can anything be below It, or above It. For all things can be below the Word of God, for that “all things were made by Him;” yet are they not in such wise below, as if they were the price of the Word, that any one should give something to receive That.
Yet if we may say so, and if any principle or custom of speaking admit this expression, the price for procuring the Word, is the procurer himself, who will have given himself for himself to This Word. Accordingly when we buy anything we look out for something to give, that for the price we give we may have the thing we wish to buy. And that which we give is without us; and if it was with us before, what we give becomes without us, that that which we procure may be with us. Whatever price the purchaser may find it, it must needs be such as that he gives what he has, and receives what he has not; yet so that he from whom the price goes himself remains, and that for which he gives the price is added to him.
But whoso would procure this Word, whoso would have it, let him not seek for anything without himself to give, let him give himself. And when he shall have done this, he does not lose himself, as he loses the price when he buys anything.
Source: Sermons on Selected Lessons of the New Testament (New Advent)