I will even betroth you to me in faithfulness; And you shall know Yahweh.
But we must notice this short clause, They shall know Jehovah. We indeed see that we are in confusion as soon as we turn aside from the right and pure knowledge of God, nay, that we are wholly lost. Since then our salvation consists in the light of faith, our minds ought ever to be directed to God, that our union with him, which he has formed by the gospel, may abide firm and permanent. But as this is not in the power or will of man, we draw this evident conclusion, that God not only offers his grace in the outward preaching, but at the same time in the renewing of our hearts. Except God then recreates us a new people to himself, there is no more stability in the covenant he makes now with us than in the old which he made formerly with the fathers under the Law; for when we compare ourselves with the Israelites, we find that we are nothing better. It is, therefore, necessary that God should work inwardly and efficaciously on our hearts, that his covenant may stand firm: nay, since the knowledge of him is the special gift of the Spirit, we may with certainty conclude, that what is said here refers not only to outward preaching, but that the grace of the Spirit is also joined, by which God renews us after his own image, as we have already proved from a passage in Jeremiah: but that we may not seem to borrow from another place, we may say that it appears evident from the words of the Prophet, that there is no other bond of stability, by which the covenant of God can be strengthened and preserved, but the knowledge he conveys to us of himself; and this he conveys not only by outward teaching, but also by the illumination of our minds by his Spirit, yea, by the renewing of our hearts. It follows — 