The sermon emphasizes the biblical necessity of adhering strictly to Scripture regarding the two church ordinances, baptism and the Lord's Supper. It establishes that communion is exclusively for redeemed believers and functions as a corporate ordinance for the local church rather than an individual ritual. The preacher argues against modern consumerist or legalistic distortions by highlighting the context of 1 Corinthians 11, where Paul corrects divisions and selfishness within the gathering. Central to the message is the call to view the Lord's Supper as a solemn memorial of Christ's finished work on the cross, requiring deep reflection on His sacrifice rather than superficial participation. The ultimate intent is to direct believers' focus away from self and toward Jesus Christ, urging them to partake in a manner that honors His death until He returns.