You must take whatever God says about you as absolute truth. His Word says you’re dead to sin, therefore refuse to let sin dominate you: “For sin shall not have dominion over you: for ye are not under the law, but under grace” (Romans 6:14).
2 Chronicles 20 gives the inspiring account of how the children of Judah were surrounded and outnumbered by three enemy nations. As they sang and praised God, the power of God was activated, and their enemies were discomfited! They praised their way to victory!