Sharper Iron from KFUO Radio

Sharper Iron from KFUO Radio

Sharper Iron, hosted by Rev. Timothy Appel, looks at the text of Holy Scripture both in its broad context and its narrow detail, all for the sake of proclaiming Christ crucified and risen for sinners. Two pastors engage with God’s Word to sharpen not only their own faith and knowledge, but the faith and knowledge of all who listen. Sharper Iron is underwritten by Lutheran Church Extension Fund, where your investments help support the work of The Lutheran Church—Missouri Synod. Visit lcef.org.

Episodes

Micah 6:1-16: Justice, Steadfast Love, and Humility

September 26, 2025 • 55 mins
The LORD brings an indictment against His people. He reminds them that He has done nothing to weary them, but He has always brought them redemption throughout His dealings with them. Micah leads the people in remembering that the response the LORD desires is not merely an outward show, but rather a sincere and humble faith in the LORD who is merciful and just. Despite Micah’s faithful preaching, the people respond with continued de...
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Micah 5:1-15: O Little Town of Bethlehem

September 25, 2025 • 54 mins
As Micah proclaims the LORD’s coming victory for the sake of His people, the prophet turns our attention to the birth of the promised Savior. The Savior will be born not in Jerusalem, but in Bethlehem. He will be the King in the line of David who will shepherd God’s people in security. The LORD will deliver His remnant from the nations, and all people will see that their idols are useless.  Rev. Carl Roth, pastor at Grace Luther...
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Micah 4:1-13: The LORD Reigns from Zion

September 24, 2025 • 53 mins
With words very similar to the contemporary prophet Isaiah, Micah speaks about the coming days when the mountain of the LORD will be lifted above all other mountains, causing peoples to stream to the LORD’s house to hear His Word. As the LORD leads His people to walk in His name, He reigns over them as no other king could. Even though Babylon will take the people of Israel captive, the LORD will ultimately deliver His people and de...
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Micah 3:1-12: Unjust Rulers and Greedy Preachers

September 23, 2025 • 53 mins
Micah preaches against the rulers who should know and seek justice according to the LORD’s Word and against the prophets who are only out for shameful gain. Such abuses do physical and spiritual damage to people that is far greater than our eyes often see, and the LORD has severe consequences for such sins committed by those who misuse their authority. The LORD promises neither to hear their prayers nor to speak His Word, all in an...
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Micah 2:1-13: Coveting Leads to Theft Leads to Destruction

September 22, 2025 • 53 mins
The LORD sees those whose covetous thoughts hatch into plots of theft, and He devises their destruction, from which they will not be able to escape. Many of Micah’s hearers refuse to believe that the LORD who is among them could do such a thing to Israel, but Micah’s proclamation of woe against Israel is true. The false preachers, as beloved as they may be, only hide the true disaster that will come. Yet the LORD promises mercy, fo...
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Micah 1:1-16: Big Preaching from the Small Town Prophet

September 19, 2025 • 54 mins
During the same years that the LORD spoke through the prophet Isaiah, the LORD also spoke through the prophet Micah. Micah’s preaching begins with a call for all peoples to pay attention to the LORD who is coming for judgment. The LORD calls out both Samaria and Jerusalem for their idolatry, which will receive God’s just punishment. As Micah describes the mourning that will take place because of this destruction, he uses wordplays ...
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Jonah 4:1-11: Should Jonah Be Angry?

September 18, 2025 • 55 mins
The account of Jonah doesn’t end with Nineveh’s repentance; the prophet tells us his angry reaction. Jonah despises the LORD’s forgiveness for “those people,” and so he despises the LORD. Yet the LORD calls Jonah back. The LORD first appoints a plant to give Jonah shade. Soon, however, the LORD appoints a worm to kill the plant and take away Jonah’s shade, and then the LORD appoints an east wind to make Jonah miserable. When Jonah ...
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Rev. Andy Becker on Mark 9:17-29

September 17, 2025 • 10 mins
Rev. Andy Becker gives today's sermon based on Mark 9:17-29. >> The broadcast of chapel services is brought to you by LCMS International Mission and Ministry to Armed Forces. >> Learn more at international.lcms.org and lcms.org/armedforces. >> To learn more about long and short-term opportunities to serve, visit servenow.lcms.org. Tune in weekdays at 10:00 a.m. CT to hear daily chapel services from the LCMS International ...
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Jonah 3:1-10: Go to Nineveh, Take Two

September 17, 2025 • 54 mins
Newly vomited onto dry ground, Jonah obeys the LORD’s gracious second call to go and proclaim His Word to Nineveh. The LORD cares about this great city, and so He sends Jonah to call it to repentance. Even through Jonah’s harsh sermon, the LORD’s Word does what He intends, and the entire city of Nineveh is brought to repentance. From the greatest to the least, the Ninevites turn to the LORD for mercy, and He shows them precisely th...
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Jonah 2:1-10: A Fishy Prayer

September 16, 2025 • 54 mins
The LORD showed grace to Jonah by appointing a fish to swallow the rebellious prophet and spare his life. From the belly of the fish, Jonah prayed to the LORD based on prayers that he had learned from the Psalms. Jonah recognized that the LORD had cast him into the depths, but Jonah also knew that the LORD alone could deliver him from those depths. Jonah cried out to the LORD to the temple as the place the LORD had promised to be p...
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Jonah 1:1-17: The Runaway Prophet

September 15, 2025 • 59 mins
Jonah was from the northern kingdom, Israel, during the days of Jeroboam II. When the LORD called Jonah to be His prophet to proclaim repentance to the city of Nineveh, Jonah refused and tried to flee by boat from the LORD. When the sailors recognized divine activity against them, Jonah unwittingly preached the truth to them, even if he was not living according to that truth at the moment. Despite Jonah’s attempt to avoid the LORD’...
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Joel 3:1-21: From Church Militant to Church Triumphant

September 12, 2025 • 53 mins
Peter’s application of Joel 2 to the Day of Pentecost helps us to understand Joel 3 as fulfilled in the life of the Church right now, looking forward to the Last Day. The LORD gathers all nations to be judged by His Word as it is proclaimed by His Church now as a two-edged sword. In this way, the LORD makes ready the final harvest. For those who do not trust in Jesus for salvation, there is only the LORD’s vengeance against them, b...
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Joel 2:28-32: The Prophet’s Pentecost Sermon

September 11, 2025 • 51 mins
Joel’s preaching concerning the LORD’s outpouring of His Spirit finds fulfillment on the Day of Pentecost in Acts 2, when Peter uses this section as his sermon text. The LORD gives His Holy Spirit to draw people to faith in the only Savior, Jesus Christ, who has suffered under the wrath of God on the Day of the LORD in our place. By the outpouring of the Spirit, sinners are brought to call upon the name of the LORD for salvation, a...
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Joel 2:18-27: The LORD Answers with Grace

September 10, 2025 • 53 mins
The LORD’s compassion for His people comes to them anew in the wake of their repentance. He promises to restore their land from the destruction brought about by the locusts, famine, and enemy armies. As the LORD restores His people’s land, so He restores His people with abundant fruit and great joy. As He takes away the shame of His people, the LORD shows them that He is the only God who dwells among them for their blessing.  Re...
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Joel 2:12-17: Return to the LORD Your God

September 9, 2025 • 54 mins
Joel answers the question from the end of the previous text. The one who endures the great and awesome day of the LORD is the one who returns to the LORD in repentance. Such repentance is not only an outward mourning, but true inward grief over sin. Such repentance is for all people and must not be delayed. Such repentance is the gift of God, whose grace and mercy draws us to Him in confession of our sins, trusting that He will be ...
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Joel 2:1-11: Who Can Endure That Day?

September 8, 2025 • 53 mins
The LORD sounds His trumpet to proclaim His coming Day. His judgment on that Day is described with imagery of darkness, fire, locusts, chariots, and warriors, all reminiscent of the plagues against Egypt before the exodus. Those who have set themselves against the LORD will have no escape, for He is the One bringing His army. The only one who can endure the Day is the one who takes refuge in the LORD. Jesus has endured the wrath of...
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Joel 1:1-20: Locusts, Locusts Everywhere

September 5, 2025 • 57 mins
Joel reveals very little of his historical context within his short book, but the word of the LORD that he is given to preach is for people of all times and places. Joel proclaims that all people must pay attention, for the LORD’s judgment has come through an insatiable swarm of locusts. The resulting famine has led to mourning and languishing, in which the only appropriate response is repentance. The swarm of locusts proclaims the...
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Hosea 14:1-9: The Refreshing Dew of the LORD

September 4, 2025 • 57 mins
Having preached the condemnation that Israel’s idolatry deserved, Hosea once more calls the people to return to the LORD in honest confession. He gives them words to speak that both acknowledge the guilt and folly of their idolatry and look to the LORD’s mercy with faith. The LORD is quick with His promise. He speaks words of healing and love, in which He will cause His people to flourish in safety once again. Unlike idols that onl...
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Hosea 13:1-16: Idolatry Is Death

September 3, 2025 • 56 mins
Israel’s glory days have long come to an end, for their idolatry has killed them. Even now, they only compound sin upon sin as they become as fleeting as the idols they worship. The LORD reminds them who He is and what He has done as their Savior, yet they forget Him in arrogance. Therefore, the LORD will show Himself to them in judgment, and no king will be able to save them. Only the LORD can rescue them from the death they have ...
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Hosea 12:2-14: Learn from Jacob, Not from Canaan

September 2, 2025 • 57 mins
As the LORD brings His charge against Israel and Judah, He calls them to remember the story of their father, Jacob. Although Jacob was known as a cheater early in his life, the LORD still showed His faithfulness to Jacob. Because the LORD gave Jacob His blessing when Jacob strove with Him, Israel now should strive with God in repentance and faith, seeking His forgiveness even now. Yet rather than returning to the LORD as Jacob once...
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