The song "Only One" by Hillsong United talks about the transformation and salvation that comes from having a personal relationship with Jesus Christ. The lyrics express a deep gratitude and praise towards Jesus, acknowledging Him as the Savior and the one who has brought change and purpose to their life. The singer acknowledges that their world has been completely transformed since they've encountered Jesus. They recognize the power of God to break the chains of sin in their life, and how He is always there to pick them up when they stumble. The song conveys a surrendering of everything the singer has to God, offering it all to Him and acknowledging His lordship. The chorus emphasizes the profound impact of finding Jesus. The singer declares that everything around them is changing and that nothing will ever be the same now that Jesus has saved them. The transformation brought by Jesus is so significant that the singer cannot help but shout His fame and sing His praise for all eternity. The song acknowledges Jesus as the source of strength and light in their life. He is the One who guides and illuminates their path, giving them clarity and direction. The singer recognizes the unique and irreplaceable role that Jesus plays in their life, as their only source of salvation and inspiration. Overall, "Only One" is a powerful declaration of faith and a celebration of the life-changing power of Jesus Christ. It speaks of the transformation, gratitude, and surrender that comes from encountering Him and experiencing His saving grace.