Philippians: Interpretation

1. "To me to live is Christ, and to die is gain ... what I shall choose I wot not. For I am in a strait betwixt two, having a desire to depart, and to be with Christ; which is far better."
   Is Paul contemplating suicide here? 1:21-23
2. Does God approve of slavery? 2:3
3. Is Jesus God? 2:6
4. Does Hell exist? 3:18-19