Clement of Alexandria : Correction is a public rebuke of sin. [God] uses it in a manner that is particularly necessary for our instruction because of the weak faith of so many. For example, he says through Isaiah, "You have forsaken the Lord, you have provoked the holy one of Israel." — The Instructor Book 1 Clement of Alexandria : Excoriation is the most vigorous expression of disapproval. God employed excoriation as a remedy when he said through Isaiah, "Ah, sinful nation, a people full of sins, an evil seed, lawless children." — The Instructor Book 1 Jerome : (Verse 4) Woe to the sinful nation, a people burdened with iniquity, a wicked offspring, wicked children: they have forsaken the Lord, they have blasphemed the Holy One of Israel, they have turned away backwards. The phrase I placed last, 'they have turned away backwards,' is not found in the Septuagint and instead of 'they have blasphemed,' it is written in them, 'they have provoked to anger.' And instead of 'wicked offspring,' it is translated in the Hebrew as 'wicked ones,' so that the vice of the offspring is not so much a defect of their nature (lest good and evil be thought to have different natures) as it is a result of their wickedness, those who have forsaken the Lord by their own will. In the beginning of the book, the title mentions the characters, the cause, and the time: in the second part, it captivates the listeners; in the third part, it narrates what the Lord said; in the fourth part, it reproaches the sinful nation, and a people full of or weighed down by injustice. Not that there is another nation and another people, as some think, but it is Israel itself, which is called both nation and people, and is referred to as wicked or unjust sons: those who were first called sons of the Lord through his kindness, but afterwards were called sons of iniquity because of their own fault; or as others have said in agreement, corrupting sons, that is, those who have lost the good of their nature through their own fault. And the text continues: 'They blasphemed the holy Israel, it is said specifically of the Jews, shouting: We have no king but Caesar' (John 19:15); and: 'Is this not the son of the carpenter?' (Matthew 13:55); and, 'He has a demon, and is a Samaritan' (John 8:48). Therefore, because they abandoned Christ and blasphemed the Holy Israel, they were estranged backwards, so that those who were called part and children of God would later be called: 'Alien children have lied to me' (Psalms 18:46). The Savior commanded that, with the plow seized, we do not look back (Luke 9:62), so as not to imitate Lot's wife. Hence the Apostle, stretching out towards the things before, forgets the things that are behind (Philippians 3:13). And what he said according to the Septuagint, to a people full of sins (Zechariah 5:7), shows that there was no kind of sins that the people of Israel did not have. But if we read it as in Hebrew, to a people heavy with iniquity, let us remember the testimony of that, that iniquity sits upon a talent of lead, and it is said from the person of a sinner in the thirty-seventh psalm: My iniquities have been lifted up above my head: As a heavy burden, they have been burdened upon me (Psalms 37:5). We pass through things that are manifest, so that we may linger in those that are more obscure and require explanation. — Commentary on Isaiah Justin Martyr : But when you hear the utterances of the prophets spoken as it were personally, you must not suppose that they are spoken by the inspired themselves, but by the Divine Word who moves them. For sometimes He declares things that are to come to pass, in the manner of one who foretells the future; sometimes He speaks as from the person of God the Lord and Father of all; sometimes as from the person of Christ; sometimes as from the person of the people answering the Lord or His Father, just as you can see even in your own writers, one man being the writer of the whole, but introducing the persons who converse. And this the Jews who possessed the books of the prophets did not understand, and therefore did not recognise Christ even when He came, but even hate us who say that He has come, and who prove that, as was predicted, He was crucified by them. And that this too may be clear to you, there were spoken from the person of the Father through Isaiah the prophet, the following words: "The ox knoweth his owner, and the ass his master's crib; but Israel doth not know, and My people hath not understood. Woe, sinful nation, a people full of sins, a wicked seed, children that are transgressors, ye have forsaken the Lord." — The First Apology, Chapters XXXVI-XXXVII Theodoret of Cyrus : When Isaiah calls them "evil seed," he does not mean to insult the ancestors of those to whom he was speaking. Rather he was denouncing their own wickedness, just as John the Baptist called the Jewish leaders "a brood of vipers" and the Lord called them "an evil and adulterous generation." They were called these things because they did not preserve the virtuous life of those who went before them. — COMMENTARY ON Isaiah 1:4