In this context, the believer approaches God not dressed in garments woven from their own efforts or personal achievements, but instead clothed in the pure, spotless righteousness of Christ. God does not perceive a slightly improved version of the old, sinful self; rather, He sees Christ’s righteousness imputed—credited—directly to the believer, who is united with Him in perfect righteousness. The verdict of justification is final and unchangeable because its foundation is unassailable: it rests not on our obedience or accomplishments, but solely on Christ’s righteousness. It is not our own efforts that make us acceptable before God, but the complete and perfect fulfillment of the law by Christ. To grasp this profound truth, we must be careful not to confuse the doctrine of imputation with any notion that our personal effort or moral virtue can produce righteousness. If Christ’s active obedience—His lifelong fulfillment of every law’s requirement—were to somehow grant us an intrinsic, self-sufficient capacity to obey, thereby making us acceptable to God on our own strength, we would fall into a dangerous error. His perfect obedience, which encompasses every thought, word, and deed, surpasses anything fallen humans can achieve on their own. His passive obedience—His voluntary acceptance of suffering and divine wrath in our place—completely satisfies divine justice and secures our justification. If we suppose that His righteousness somehow elevates our own efforts to a level that makes us acceptable before God, we risk lowering the divine standard to match our imperfect performance. Instead of focusing on Christ’s flawless life and sacrificial death, we would be diluting the gospel into a message of partial self-help, which dishonors Christ and diminishes His finished work on the cross. Ultimately, this doctrine safeguards Christ’s glory and offers true comfort to the sinner: we are made righteous solely through Him, by faith alone, and through imputation alone. Resting in this truth means resting securely, because the righteousness that justifies us is as unchangeable as the One who provides it. This understanding leads us to the heart of justification by faith alone. We must acknowledge our own unrighteousness and wickedness in order to accept the free justification offered by God's grace. It is not through legalistic adherence to rules, nor through any virtue infused into us that gradually makes us acceptable, but solely through divine imputation. As Paul states in Romans, God justifies the ungodly; He credits righteousness to those who have none of their own. In the great exchange described in 2 Corinthians 5:21, the sinless Christ was made to be sin for us so that we might become the righteousness of God in Him—not through moral improvement over time, but through union with Him by faith, whereby His righteousness becomes ours—permanently, decisively, and unchangeably. The righteousness of Christ is a unique and indivisible reality—His alone, achieved flawlessly through a life of perfect active obedience and a death of vicarious passive obedience. This righteousness is not a trait gradually infused into believers that makes their souls inherently meritorious; rather, it is credited, counted, and imputed to those who believe. The doctrine of imputation, central to the Reformation’s rediscovery of the gospel, teaches that justification is a legal declaration: God declares the ungodly to be righteous—not because they have become righteous in themselves, but because Christ’s obedience has been judicially credited to them. The logic is straightforward: if Christ’s righteousness enables us to please God through our own obedience, then our obedience must be perfect, ongoing, and comprehensive—just like His. But Scripture confronts us with the sobering reality that this is impossible. No one—regardless of sanctification—loves God with all their heart, soul, mind, and strength at all times, nor loves their neighbor perfectly as divine charity requires. To claim otherwise is to ignore human depravity and to underestimate divine holiness. We are, without Christ, wicked and deserving of divine wrath, and all attempts at righteousness are tainted by selfishness and corruption. Rather than encouraging careless living, this truth frees the conscience from the burden of trying to earn acceptance through performance. It motivates believers to respond with grateful obedience—not as a means of earning justification, but as the natural response flowing from being already declared righteous. Though such obedience will always be imperfect, it genuinely expresses gratitude. Any attempt to diminish the doctrine of imputation risks reintroducing legalism—the very legalism the gospel seeks to destroy—binding the soul once again to the impossible demand of self-righteousness.