The central message of this sermon is that true transformation and spiritual growth come from a deep-seated reliance on God's power and guidance, rather than our own human willpower or arbitrary resolutions. Paul's resolution to press on towards his goal, despite not yet having attained it, serves as a model for believers to live out their faith with perseverance and dependence on God. The sermon advances the belief that spiritual growth is a journey, not a destination, and that it requires ongoing effort and surrender to God's will. The takeaway is that true progress in our walk with Christ comes not from trying harder or being more determined, but from forgetting what lies behind (our past failures and shortcomings) and straining towards what lies ahead (our future goal of glorifying God). This mindset allows believers to press on towards their goal with confidence, trusting in God's power to accomplish what they cannot do on their own.