Understanding Mortification Quotes

“When the new heart given to us through Jesus Christ in the New Covenant becomes corrupt, it is because of a stronghold that has been established and the root is bringing forth its corruption, and not because of sin springing up within it intrinsically (Ezekiel 11:19-20; 36:26-27; II Corinthians 5:17; Galatians 4:6; Romans 5:5). Scripturally, I am convinced there is nothing in the regenerate heart of the New Covenant believer that produces sin, for the old man Adamic geyser of corruption was slain with Christ on Calvary (Romans 6:6). The desires of the flesh, however, still live. The flesh has been hopelessly conditioned in Adam and is conducive to the satanic attraction of the world’s system (Ephesians 2:2). It is God’s decree therefore that we collaborate with Him in the mortifying of its affections and lusts (Galatians 5:24; Colossians 3:5; Romans 7:18; 8:13; 13:14).”
― Paul West, Understanding Mortification: The Pathway to Victory