“For we know that the Law is spiritual...” (Romans 7:14)

“For what the Law could not do, in which it was weak through the flesh, God did: sending His own Son in the flesh of sin - as an offering for sin - He condemned sin in the flesh,

so that the requirement of the Law might be fulfilled in us, who do not walk according to the flesh but according to the Spirit.” (Romans 8:3-4)

...

“However, you are not in the flesh but in the Spirit, if indeed the Spirit of God dwells in you. But if anyone does not have the Spirit of Christ, he does not belong to Him.

And if Christ is in you, though the body is dead because of sin, 

the Spirit is life because of righteousness. 

But if the Spirit of Him who raised Jesus from the dead dwells in you, He who raised Christ Jesus from the dead will also give life to your mortal bodies because of His Spirit who dwells in you.” (Romans 8:9-11)

...

The law was looking for spiritual righteousness since it itself was spiritual. Christ fulfilled this requirement and we now fully share in His righteousness;

"He made Him who knew no sin to be sin on our behalf, so that we might become the righteousness of God in Him.”( 2 Corinthians 5:21)

Because ONCE AGAIN:

“What was the Christ who appeared to us in the flesh? Was it not God Himself performing the reconciliation of the world to Himself, severing the sinful side of man from the true, and no longer imputing the sins of that physical man to the spiritual being to whom they do not belong, and making us the possessors of the truth about this, giving us the Word which itself has the power to reconcile.” (2 Corinthians 5:19 GWC)

2 Corinthians 5:19 GWC

19 What was the Christ who appeared to us in the flesh? Was it not God Himself performing the reconciliation of the world to Himself, severing the sinful side of man from the true, and no longer imputing the sins of that physical man to the spiritual being to whom they do not belong, and making us the possessors of the truth about this, giving us the word which itself has the power to reconcile.

Romans 7:4-6 NRSV