Introduction: Lessons from a laser lad.
1. Know the times (v1-4).
 The last days (v1).
 Fierce times (v2-4).
2. Know the threats (v5-9).
 Counterfeit Christians (v5-7).
 Threats inside and outside (v8-9).
3. Know the Scriptures (v10-17).
 Be imitators (v10-11).
 Be prepared (v12-13).
 Be wise (v14-15).
Conclusion: Be thoroughly equipped (v16-17).