Rom.8.3

God went for the jugular when he sent his own Son. He didn't deal with the problem as something remote and unimportant. In his Son, Jesus, he personally took on the human condition, entered the disordered mess of struggling humanity in order to set it right once and for all. The law code, weakened as it always was by fractured human nature, could never have done that. The law always ended up being used as a Band-Aid on sin instead of a deep healing of it.

Rom.8.3

For what the law was powerless to do in that it was weakened by the sinful nature, God did by sending his own Son in the likeness of sinful man to be a sin offering. And so he condemned sin in sinful man,

Rom.8.3

For what the law could not do in that it was weak through the flesh, God did by sending His own Son in the likeness of sinful flesh, on account of sin: He condemned sin in the flesh,

Rom.8.3

The law of Moses could not save us, because of our sinful nature. But God put into effect a different plan to save us. He sent his own Son in a human body like ours, except that ours are sinful. God destroyed sin's control over us by giving his Son as a sacrifice for our sins.