What is speaking in tongues? A private prayer language or something different? What is a healthy view of God’s sovereignty given the evil and pain in this world? What does it mean to examine yourself to see if you’re in the faith? How does this relate to law and grace?

Did Demas lose his salvation because he loved the world? I struggle with a sin consciousness and often doubt my salvation. Can you help? Our Bible study group is studying Romans, and I’m wondering how to teach law and grace, especially when it comes to how we define sin today?