The sermon centers on Paul's call to relentless spiritual pursuit, rooted in the reality of divine apprehension, ongoing sanctification, and Christ-centered aspiration. It begins with the transformative moment of conversion—being 'apprehended' by Christ—where the sinner is arrested by grace and brought into a life of worship and service. This is followed by a firm disclaimer of perfection, affirming that while believers are freed from condemnation and the dominion of sin, the battle against indwelling sin continues throughout life, requiring constant dependence on grace and prayer. The heart of the message lies in the believer's active striving: a single-minded pursuit of deeper knowledge of Christ, not merely intellectual understanding but intimate relationship, including the power of His resurrection, the fellowship of His sufferings, and the joy of His grace. This journey involves forgetting past failures not in denial, but in freedom from guilt-driven paralysis, pressing forward with hope toward the ultimate prize—the full realization of God's high calling in Christ, where perfection is finally attained at death and in glory.