The Fine Print On Forgiveness

The "Jesus Prayer" is one of the most commonly recited prayers around the world. It simply asks, "Lord Jesus Christ, Son of God, have mercy on me, a sinner." For many of us, the most natural thing to ask God for in prayer is forgiveness. We've all made mistakes; we all need a second chance. But is there a way to ensure that God will show us mercy? How can we guarantee that our sins will be forgiven?