Struggle with Indwelling Sin and Salvation in Christians

The struggle with indwelling sin is a reality that every Christian faces, and it can often lead to doubts about one's salvation. This struggle is a result of the remaining corruption of sin in the believer's heart, which Paul writes about in Romans 7:21-23, where he describes the ongoing battle between the flesh and the Spirit. Despite being redeemed and justified, Christians still have to contend with the presence of sin in their lives, which can manifest in various ways, such as sinful thoughts, desires, and actions.

This struggle can be a source of great distress and uncertainty for believers, causing them to question their salvation and wonder if they are truly children of God. However, the Bible teaches that salvation is not based on our ability to overcome sin, but on the finished work of Christ on the cross. The fact that Christians still struggle with sin does not mean that they are not saved, but rather that they are in the process of being sanctified, which is the work of the Holy Spirit in conforming them to the image of Christ.

Paul writes in Romans 8:28 that "all things work together for good to them that love God, to them who are the called according to his purpose," which includes the struggle with indwelling sin. This struggle is an opportunity for believers to grow in their faith, to learn to rely on God's grace, and to trust in His power to overcome sin. The gospel message is one of hope and assurance, reminding believers that their salvation is secure in Christ, and that they are being transformed into His likeness, despite the ongoing presence of sin in their lives.