The interpretation timeline
Ephesians 1:7 Douay-Rheims

In whom we have redemption through his blood, the remission of sins, according to the riches of his grace,

A.D. 202 – 1871 6 witnesses 7 excerpts

Patristic

before A.D. 750
202
A.D.
Irenaeus Patristic
c. A.D. 130–202
“If, then, any one allege that in this respect the flesh of the Lord was different from ours, because it indeed did not commit sin, neither was deceit found in His soul, while we, on the other hand, are sinners, he says what is the fact. But if he pretends that the Lord possessed another substance of flesh, the sayings respecting reconciliation will not agree with that man. For that thing is reconciled which had formerly been in enmity. Now, if the Lord had taken flesh from another substance, He would not, by so doing, have reconciled that one to God which had become inimical through transgression. But now, by means of communion with Himself, the Lord has reconciled man to God the Father, in reconciling us to Himself by the body of His own flesh, and redeeming us by His own blood, as the apostle says to the Ephesians, "In whom we have redemption through His blood, the remission of sins;" and again to the same he says, "Ye who formerly were far off have been brought near in the blood of Christ;" and again, "Abolishing in His flesh the enmities, [even] the law of commandments [contained] in ordinances." And in every Epistle the apostle plainly testifies, that through the flesh of our Lord, and through His blood, we have been saved.”
Source
407
A.D.
John Chrysostom Patristic
A.D. 347–407
“Again he descends from high to low: first speaking of adoption, and sanctification, and blamelessness, and then of the Passion, and in this not lowering his discourse and bringing it down from greater things to lesser, no rather, he was heightening it, and raising it from the lesser to the greater. For nothing is so great as that the blood of this Son should be shed for us. Greater this than both the adoption, and all the other gifts of grace, that He spared not even the Son. For great indeed is the forgiveness of sins, yet this is the far greater thing, that it should be done by the Lord's blood. For that this is far greater than all...”
Source
“The abovementioned gifts are riches, yet is this far more so. "Which," saith he, "He made to abound toward us." They are both "riches" and "they have abounded," that is to say, were poured forth in ineffable measure. It is not possible to represent in words what blessings we have in fact experienced. For riches indeed they are, abounding riches, and He hath given in abundance riches not of man but of God, so that on all hands it is impossible that they should be expressed. And to show us how He gave it to such abundance...”
Source

Scholastic

c. 1100 – 1500
1273
A.D.
Thomas Aquinas Catholic
1225–1274
“Here the Apostle sets down the fourth benefit, namely that of being made gracious through the conferral of grace. Concerning this he does two things. First he touches on the conferral of this benefit; second he shows the manner and condition of the conferring, at the words "in whom we have redemption," etc. He says therefore first: I say that we have been predestined unto the adoption of sons, unto the praise of the glory of his grace, and I say the grace, in which he has made us gracious, etc. Concerning this it must be known that it is the same thing for something to be pleasing to someone and to be loved by him. For that is pleasing to me which I love. Since, then, God has loved us from eternity — for he chose us before the foundation of the world in charity, as has been said — how then did he make us gracious in time? And it must be said that those whom he loved in himself from eternity, he makes gracious in time insofar as they exist in their own natures; and indeed that which is from eternity was not made, whereas that which is in time is said to come to be. Hence here the Apostle says "he has made us gracious," that is, he has made us pleasing, so that we might be worthy of his love. 1 John 3: "Behold what manner of charity the Father has given us, that we should be called, and should be, the sons of God." Now it is customary to distinguish a twofold grace: namely, grace freely given, which is given without merits — Romans 11: "But if by grace, now it is not of works, otherwise grace is no more grace" — and grace which makes gracious, which makes us pleasing and acceptable to God, and it is of this that it is spoken here. It must be noted, moreover, that some are loved on account of another, and some on account of themselves. For when I love someone greatly, I love him, and whatever pertains to him; but we are loved by God, not on account of ourselves, but in him who is loved by the Father through himself. And therefore the Apostle adds "in the beloved Son," for whose sake, namely, he loves us, insofar as we are like him. For love is founded upon likeness. Hence it is said, Ecclesiasticus 13:19: "every animal loves its like." Now the Son, by his own nature, is like the Father, and therefore is loved principally and through himself, and therefore is loved by the Father naturally and in the most excellent way. We, however, are sons by adoption, insofar, that is, as we are conformed to his Son, and therefore we have a certain participation of the divine love. John 13:35: "the Father loves the Son, and has given all things into his hand; he who believes in the Son has eternal life." Colossians 1:13: "he has translated us into the kingdom of the Son of his love." Then, when he says "in whom we have redemption," etc., he sets down the manner of it. Concerning this he does two things. For first he proposes the manner on the part of Christ; second on the part of God, at the words "according to the riches of his grace," etc. On the part of Christ he sets down a twofold manner, for Christ made us gracious by two things. For there are two things in us which are opposed to the divine making-gracious, namely the stain of sin and the harm of punishment. And just as death is opposed to life, so sin is opposed to justice, so that by this, being removed far from the likeness of God, we would not be pleasing to God. But through Christ he has made us gracious. First indeed by the removal of punishment, and as to this he says that in Christ we have redemption, namely from the servitude of sin. 1 Peter 1:18: "you were not redeemed with corruptible things, gold or silver, from your vain manner of living handed down from your fathers, but with precious blood," etc. Apocalypse 5:9: "you have redeemed us to God in your blood." Second, we are said to be redeemed because, from the servitude in which we were held on account of sin, and which we could not fully satisfy for by ourselves, we have been freed through Christ, because by dying for us he satisfied God the Father, and thus the harm of guilt has been abolished. Hence he says "unto the remission of sins." John 1:29: "behold the Lamb of God, behold him who takes away the sins of the world." Luke, last chapter, 46: "it behooved Christ to suffer, and to rise again from the dead the third day, and that penance and remission of sins should be preached in his name." Now the manner on the part of God is set down when he says "according to the riches," etc., as if he were to say that God, in making us gracious, not only remitted the fault to us, but gave his own Son, who satisfied for us. And this was out of superabundant grace, by which he willed, through this, to preserve the honor of human nature, in that, as it were through justice, he willed to free men from the servitude of sin and death through the death of his own Son. And therefore he says "according to the riches of his grace," as if he were to say: this, that we have been redeemed and made gracious through the satisfaction of his Son, was out of abundant grace and mercy, inasmuch as mercy and compassion are bestowed upon the undeserving. Now these things which have been said we have pursued according to the exposition of the Gloss, which exposition indeed seems forced, because the same thing is contained in the one as in the other. For it is the same thing to say "he chose us" and "he predestined us." And the same thing is said by what he says "that we should be holy and immaculate" as by what he says "unto the adoption of sons." On account of which it must be known that it is the custom of the Apostle that, when he speaks on some difficult matter, the things which immediately follow are an exposition of what was said before, and there is not there a mere repetition of words, but an exposition, and the Apostle keeps to this manner here. Hence, keeping the same weight of words, let us divide differently from the beginning, and let us say that this part, "blessed be God," etc., is divided first into three parts, because the Apostle first renders an act of thanksgiving, at "blessed be God," etc.; second he recounts the bestowal of all the benefits together, at "who has blessed us in every spiritual blessing," etc.; third he sets down an open expression of the divine benefits in particular, at "as he chose," etc. And this is divided into two parts, because first he expresses the benefits distinctly; second he expounds them, at "who has predestined us," etc. Now he sets forth the benefits: first as to election; second as to the things which follow, at "that we should be holy," etc. Now he expounds first concerning election. For there is a twofold election, namely of present righteousness, and of eternal predestination. Of the first, John 6:71: "did I not choose you twelve, and one of you is a devil?" And the Apostle does not intend this one here, because that election was not before the foundation of the world, and therefore he immediately makes clear which one he means, namely the second, that is, eternal predestination; on account of which he says "he has predestined us," etc. And because he says "in Christ," namely that we should be like and conformed to Christ, according as we are adopted into sons, therefore he adds "unto the adoption of sons through Jesus Christ." Now this, that he says "in charity," he expounds when he says "in whom we have redemption through his blood," as if he were to say: we have, etc. And this, that he says "and immaculate," he expounds when he says "unto the remission of sins." And this, that he says "in his sight," he expounds, saying, "unto the praise of the glory of his grace."”

Post-Reformation

c. 1650 – 1900
1771
A.D.
John Gill Reformed
1697–1771
“In whom we have redemption through his blood,.... Redemption supposes captivity and slavery, and is a deliverance out of it; God's elect by nature are in bondage to sin, Satan, and the law; through the grace of Christ, they are redeemed from all iniquity; ransomed out of the hands of him that is stronger than they; and are freed from the law, its bondage, curse, and condemnation, and from every other enemy: and this benefit Christ is the author of; he was called to be the Redeemer of his people from all eternity; and he was sent in the fulness of time, to procure the redemption of them; to which he had a right, being their near kinsman; and for which he was every way fit, being God as well as man; and which he has obtained by his obedience, sufferings, and death: and in whom it resides, as in its proper subject and author; who, by imputation, is made redemption to all the chosen ones; for not angels, but men, share in this redemption; and not all men, but elect men; such as are chosen in Christ, predestinated to the adoption of children by him, and who are accepted in the beloved: and this comes to them through the blood of Christ, which was freely shed on the cross to procure it; and was a sufficient ransom, or redemption price; it being not only the same blood with those who are redeemed, but the blood of an innocent person; and not of a mere man, but of one who is truly and properly God, as well as man; see more of this See Gill on Col 1:14. A branch of this redemption follows, or a blessing that comes by it, and along with it, the forgiveness of sins; of all sins, original and actual, past, present, and to come; and this is through the blood of Christ, which was shed for the same: and yet is according to the riches of his grace; for God of his rich grace found the ransom price, and gave his Son, as well as he gave himself, his life, a ransom for many; and how much soever it cost Christ to procure redemption and pardon, they are free to his people; who are redeemed without money and price of theirs, and whose sins are forgiven freely for Christ's sake.”
Source
1832
A.D.
Adam Clarke Methodist
1762–1832
“In whom we have redemption - God has glorified his grace by giving us redemption by the blood of his Son, and this redemption consists in forgiving and delivering us from our sins; so then Christ's blood was the redemption price paid down for our salvation: and this was according to the riches of his grace; as his grace is rich or abundant in benevolence, so it was manifested in beneficence to mankind, in their redemption by the sacrifice of Christ, the measure of redeeming grace being the measure of God's own eternal goodness. It may not be useless to remark that, instead of της χαριτος αυτου, his grace, the Codex Alexandrinus and the Coptic version have της χρηστοτητος, his goodness.”
Source
1871
A.D.
1871
“In whom--"the Beloved" (Eph 1:6; Rom 3:24). we have--as a present possession. redemption--Greek, "our (literally, 'the') redemption"; THE redemption which is the grand subject of all revelation, and especially of the New Testament (Rom 3:24), namely, from the power, guilt, and penal consequences of sin (Mat 1:21). If a man were unable to redeem himself from being a bond-servant, his kinsman might redeem him (Lev 25:48). Hence, antitypically the Son of God became the Son of man, that as our kinsman He might redeem us (Mat 20:28). Another "redemption" follows, namely, that "of the purchased possession" hereafter (Eph 1:14). through his blood-- (Eph 2:13); as the instrument; the propitiation, that is, the consideration (devised by His own love) for which He, who was justly angry (Isa 12:1), becomes propitious to us; the expiation, the price paid to divine justice for our sin (Act 20:28; Rom 3:25; Co1 6:20; Col 1:20; Pe1 1:18-19). the forgiveness of sins--Greek, "the remission of our transgressions": not merely "pretermission," as the Greek (Rom 3:25) ought to be translated. This "remission," being the explanation of "redemption," includes not only deliverance from sin's penalty, but from its pollution and enslaving power, negatively; and the reconciliation of an offended God, and a satisfaction unto a just God, positively. riches of his grace-- (Eph 2:7); "the exceeding riches of His grace." Compare Eph 1:18; Eph 3:16, "according to the riches of His glory": so that "grace" is His "glory."”
Source
Modern · 1953 →

The in-app commentary runs from the Fathers to the early-modern record, then stops — that's where the public-domain sources end, not where the reading does. For the modern reading, follow the sources directly.