Some years ago, I was talking with my Muslim neighbor, Ibrahim, when he shared something I will never forget: “I have put my trust in Jesus as Savior, and I feel like a new man.” Ibrahim’s experience beautifully reflects the words of the apostle Paul: Therefore, if anyone is in Christ, he is a new creation; the old has gone and the new has come! All this is from God, who reconciled us to himself through Christ and gave us the ministry of reconciliation.”—2 Corinthians 5:17–18

“If I ask Allah to forgive me, maybe he will, maybe he won’t,” began Ana, our South Asian friend. The statement took my wife and I by...