Pastor Robbey Smith addresses the issues of sexual immorality and the misuse of Christian freedom within the Corinthian church, emphasizing that while all things are permitted, not all are beneficial. He underscores the importance of viewing our bodies as temples of the Holy Spirit and belonging to God, urging believers to glorify God through their thoughts and actions. The sermon highlights the destructive nature of pornography and the need for accountability, confession, and daily renewal of the mind to combat temptation. Ultimately, Pastor Robbey encourages the congregation to walk by the Spirit to resist the desires of the flesh.