What practice does Paul urge in verse 2? What does it mean to be steadfast in prayer?  What should characterize our prayers according to verse 2? Explain the significance of watching in prayer.    For whom did Paul request prayers in verses 3-4? For what did he specifically request prayers?    What is the significance of an open door as Paul discusses here? What should we learn from this discussion about the responsibility of those who preach the gospel?    Verse 5 discusses our relationship toward what kind of people? How should we conduct ourselves toward them? Give examples of applications. Who are the people that Paul mentioned in verses 7-17? How did he describe them?