Romans 8:3

What the law could not do; it could not deliver those who had broken it from condemnation and ruin. It could neither lead them to obey it, nor to repent of having broken it; nor could it lessen their disposition to violate it, notwithstanding its promises and threatenings. It could make no atonement for sin, and could not save from it.

It was weak through the flesh; through man's depravity and transgression.

In the likeness of sinful flesh; in human nature.

For sin; to die on account of it, the just for the unjust.

Condemned sin in the flesh; destroyed its power over those who trust in Christ, by showing, through his atonement, the evil nature of sin, the guilt of those who commit it, the excellence of the law which it violates, the anger of God against it; and so opening a way in which God could be just, and the justifier of all that believe in Jesus; and in addition to all this, procuring for them the grace of the Holy Spirit to help them to believe on Christ, and through their union with him, to render to the law a true spiritual obedience; thus delivering them from both the condemnation and the reigning power of sin, neither of which things the law could do.