When we are persecued it means that we are not living the way of the world. This is a sign that we are on the right track. It is hard but it does us spiritual good in the long run. We are not hurting just because God wants us to suffer, we are hurting for our own good. Maybe like the swat on the behing that you got when you were a little child..it hurt but it also molded you into a better person. We must hurt a bit before we can truly understand the hurting of others. We don't always see how the pain will help us, but God knows. The promise of heaven is to help us remember that our lives are very brief and if we turn to God, we will live in heaven forever.