This little letter may be small in size and appear to be rather innocuous, but it is both concentrated and potent. Written to correct a misunderstanding regarding the Lord’s return, it not only clarifies some issues regarding prophecy, it deals with several current matters of great practical value. Within these 47 verses, we find such helpful insights as the purpose of persecution as well as the importance of diligence, Bible study, personal discipline, minding our own business, and choosing the right companions. As we explore this letter, let’s be sensitive to what God is saying—as it relates both to His prophetic plan and to His practical advice. Both are of equal importance.