"Suppose ten people sin and sin equally. Suppose God punishes five of them and is merciful to the other five. Is this injustice? No! In this situation five people get justice and five get mercy. No one gets injustice. What we tend to assume is this: If God is merciful to five, He must be equally merciful to the other five. Why? He is never obligated to be merciful . . . God never owes mercy. God is not obligated to treat all people equally."