The Proper Purpose Of Pain

What is the purpose of pain? Why do bad things happen to good people? How can I make sense of everything that I have been through? If you have ever asked any of these questions, then this is the book for you. I've tried to deal with the hurt of my past but it keeps haunting me. I can't handle the pain that I'm presently going through. The future seems so depressing in light of all the mistakes I've made. If you have ever felt like any of these statements, then this is the book for you. What does the Bible say to people dealing with past, present and future pains? Are there any scriptures that I can read and meditate on myself, when confronted with the pains of life? If you have ever pondered these things, then this is the book for you.