John Chrysostom
He does not stop even here, since the argument had already been proved. He threatens punishment, then turns to what they longed for, showing that the law comes to an end.
He enlarges on what is profitable, namely that great blessings await the obedient and great calamities will overtake the disobedient.
But let us hear what the apostles taught when they said that Christ was crucified. What is more incredible than that He was buried by those to whom He promised salvation?
What is more incredible than that, having been buried, He forgives sins, and does so beyond the law?
Therefore Paul did not say, "in what you did not wish," but, "by Him everyone who believes is justified from all things from which you could not be justified by the law of Moses."
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By this he shows the weakness of the law. He excellently added, "everyone," to show that everyone who believes is justified.
None of these things would have had any profit if there were no benefaction. Therefore he finally speaks of the "forgiveness" of sins.
He draws the greater point from what came before. He shows that what the law could not do, the One who suffered accomplished by His death.
But why did he not add a testimony by which they would be convinced that forgiveness of sins takes place through Christ?
Because he first wished to prove that Christ rose. Once this is accepted, it becomes certain from this that forgiveness of sins takes place through Him.
On the other hand, he wished to awaken in them desire for this great blessing.
Thus His death was not a deprivation, but the fulfillment of the prophecies. He mentions historical events because, by not understanding them, the Jews suffered many evils.
He points to this in conclusion when he says, "Beware."