Cyril of Alexandria

God never sends away anyone who makes his home with him, and he rejects none of those who walk uprightly. He allows them to be forever associated and firmly joined to him as a way of obtaining help. However, everyone who opposes or fights against his divine teaching falls completely away from the glory of God and shows that he is a lover of pleasure rather than a lover of God. …

Commentary On Isaiah 4:4.50:1-3 ↗

Ambrose of Milan

But Joseph was sold into Egypt, because Christ was going to come to those to whom it was said: For your sins you have been sold. And therefore, He redeemed them with His own blood, who had sold themselves by their own sins. But Christ, who was sold, is held by the assumption of the condition, not by the price of guilt, because He Himself did not commit sin. Therefore, He contracted our debt, not His own money; He took away the handwriting, removed the lender, stripped off the debtor: He alone paid what was owed by all.

On Joseph the Patriarch, 4.19 ↗

Jerome

Thus says the Lord: Who is this bill of divorce of your mother, whom I have sent away? Or to whom have I sold you? Behold, because of your iniquities you were sold, and because of your sins your mother was sent away. For I came and there was no man; I called, and there was none to answer. LXX: Thus says the Lord: What is this bill of divorce of your mother, whom I have sent away? Or to whom have I sold you, to the creditor and exactor of me? …

Commentary on Isaiah ↗

Thomas Aquinas

Thus says the Lord: what is this. Here he begins to remove the impediments to their liberation. And first, he removes the impediments; second, he applies the remedies: who has believed our report (ch. 53). Concerning the first, he removes three impediments: first, the lack of divine benefits; second, the dejection of persons: give ear to me, you that follow (ch. 51); third, poverty of goods: arise, arise (ch. 52). …

Commentary on Isaiah ↗