Romans 1:

1. What are Paul's credentials?
2. What important doctrines are implied in verses 1-5?
3. What should Christians be "famous" for?
4. Why does Paul say he's not ashamed of the Gospel?
5. [Not a question actually] Reading Psalm 19 will shed some light on
verse 20.
6. What are the results of mankind's refusal to obey and glorify God?