How does the concept of the new man affect a believer's life?

The new man represents the spiritual rebirth and transformation that occurs when a person is united with Christ through faith. Colossians 3:10 speaks of the new man being 'renewed in knowledge after the image of him that created it.' This transformation affects every aspect of a believer's life, including their desires, actions, and interactions with others. Instead of living in conformity to the world and its sinful patterns, believers are called to embody the character of Christ, showing love, kindness, and humility. This change is not by their own strength but is enabled by the Holy Spirit, who leads them in the pursuit of righteousness and service to others, thereby glorifying God through their lives.