1 Corinthians 6

v1-8: We must be careful not to do anything that would lead to disgrace of our Christian name and profession.

v9-11: "All unrighteousness is sin, and all prevalent sin - indeed, every actual sin committed deliberately and not repented of - excludes from the kingdom of heaven."

v12-20: Our bodies are to be used for the glory and service of Jesus Christ for He is our Maker and our Saviour, and by His Spirit inhabits and occupies us.  We belong to Him, therefore "we must take care not to use what belongs to Christ... to his dishonour."