The passage describes the internal struggle that Christians experience between their sinful desires and their desire to obey God. The author expresses this conflict by crying out "O wretched man that I am!" He feels trapped by his "body of death" - the sinful nature that remains even after becoming a Christian. However, he finds resolution and victory through Jesus Christ, who delivers believers from sin's power and death. In the end, Christians will be fully freed from sin when they receive their resurrected bodies in heaven.