What is the relationship between sanctification and righteousness?

Sanctification is a vital aspect of the Christian life that follows justification. It is God's work in believers to make them holy, as emphasized in Hebrews 12:10 which speaks of God's chastening that yields the peaceable fruit of righteousness. In this sense, sanctification equips believers with an inward moral transformation that reflects God's righteousness. Importantly, it is not merely about moral improvement but about living in accordance with God's character, leading us to increasingly embody the righteousness of Christ. This progressive work of sanctification showcases God's faithfulness in fulfilling His promises to transform His people into His likeness.