The central message of this sermon is that true believers in Christ can distinguish themselves from those who have a superficial or nominal faith by their ongoing, intentional choices to obey God's will and reject sin. The sermon argues that deliberate and persistent sinning reveals a lack of commitment to Christ, demonstrating that one has never truly known Him. This distinction is not about quantifying the number of sins committed, but rather about the heart issue of whether one is motivated by a desire to follow God or to indulge in sin. The takeaway from this sermon is that true believers will be characterized by their ongoing pursuit of holiness and obedience to God's will, whereas those who are merely nominal Christians will ultimately demonstrate their lack of commitment through their consistent choices to sin. This message advances the belief that salvation is a living relationship with Christ, not just a decision or a profession, and that this relationship is evidenced by a life of ongoing obedience and submission to God's will.