304 Listener Questions & Doctrine of Salvation Part 1

In this episode Pastor Dr. David Murphy answers listener's questions. Here are of the questions he addresses: What does is meant to walk in the spirit? I was reading Halley’s Bible handbook and it spoke about 2nd Peter possibly not being written by Simon Peter, can you explain more about this? Why when people say they forgive a person, do they still have issues with the individual whom they forgave? In the story of Lazarus, when Jesus called him come forth, ...where did he came from, heaven, hell, or the grave? What are your thoughts on AI (artificial intelligence) from a Biblical point of view? It is widely taught that, "we're no longer under LAW but under grace." Could you please give any two of the ten commandment laws that are no longer binding on the Christian?What is the doctrine of Salvation and why should we study it?