The sinner's prayer is a Christian prayer that someone who isn't a Christian can use to start a new life with God. It is a prayer that asks God to forgive your sins and bring you into His family. Generally, the prayer will say something like: "Dear God, I know that I have done wrong things that don't please you, and I am sorry for them. Please forgive me and come into my heart so that I can live a new life. I want to trust and follow you. Amen." When you say this prayer, it is like asking God to forgive all of the bad things you have done and to help you become a different person. You are asking God to come into your life, to forgive you, and to help you be closer to Him.