Proclaiming the gospel to all nations is not an optional assignment for especially gifted Christians. It is part of Christ’s final instructions to His people. In Luke 24:47–49, Jesus tells His disciples that “repentance for the forgiveness of sins” must be proclaimed in His name to all nations, beginning from Jerusalem. Then He calls them witnesses and promises them power from on high.
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Table of contentsThe Gospel Must Be ProclaimedWe Shouldn’t Keep the Good News to OurselvesThe Gospel Must Be Spoken, Not Just ShownThe Gospel Begins in the Least Likely PlaceThis Gospel Is for All NationsGod Always Planned to Save the NationsWe Are Living Proof That Jesus Meant “All Nations”Jesus Sends WitnessesAre We Witnesses Too?God Uses Ordinary WitnessesGospel Witness Is Empowered by the Holy SpiritThe Spirit Does What We Cannot DoConclusion: We Have Found the Bread of Life
The Gospel Must Be Proclaimed
In the previous sermon, we considered one of the most important questions anyone can ask: How can sins be forgiven? Jesus gives the answer in Luke 24:47:
“Repentance for the forgiveness of sins…”
Forgiveness comes through repentance. It is not earned by repentance, but repentance is the necessary turning from sin to Christ. We turn from our sin, our self-righteousness, our excuses, and our rebellion, and we look to Christ for mercy. But this raises another question: how will this truth reach the people who need to hear it? Jesus answers in the rest of the verse:
“…should be proclaimed in his name to all nations, beginning from Jerusalem.”
The message of repentance and forgiveness is not to be hidden, whispered, or kept private. It must be proclaimed. To proclaim means to announce, declare, or herald. It is the way a messenger would carry the word of a king’s decree, or the way a runner might bring news from the battlefield that the war has been won. The gospel is good news, and good news is meant to be announced.
We Shouldn’t Keep the Good News to Ourselves
D. T. Niles famously said:
“Evangelism is one beggar telling another beggar where to find bread.”
That line captures the heart of Christian witness beautifully.
When we find bread, we tell the hungry.
When we find water, we tell the thirsty.
When we find the Savior, we tell sinners.
There is a powerful Old Testament picture of this in 2 Kings 7. Samaria, the capital of the northern kingdom of Israel, was under siege by the Syrians. The famine inside the city had become horrific. People were starving, and the situation looked hopeless.
Then Elisha prophesied that by the next day, food would be plentiful and inexpensive again. Humanly speaking, that seemed impossible.
Outside the city gate were four lepers. Because of their disease, they were outcasts. They could not live among the people. As they considered their situation, they realized they had only three options.
They could stay where they were and die.
They could enter the city and die in the famine.
Or they could go to the Syrian camp, surrender, and perhaps be spared.
None of the options looked good, but the third seemed least hopeless. So they went to the Syrian camp.
What they did not know was that the Lord had caused the Syrians to hear the sound of a great army. The Syrians panicked and fled, leaving behind their tents, food, supplies, and possessions. The lepers entered the camp and found food. They ate and drank. Then they began hiding treasure for themselves. But their consciences convicted them:
“We are not doing right. This day is a day of good news…Now therefore come; let us go and tell the king’s household” (2 Kings 7:9).
They had found life while a city was dying behind the walls. They could not keep it to themselves.
That is what evangelism is. We are not superior people telling inferior people to get their lives together. We are beggars who have found the Bread of Life in Christ, and we tell other beggars where they can find Him too.
The Gospel Must Be Spoken, Not Just Shown
It is important to bring balance here. Our lives matter. Jesus said:
“Let your light shine before others, so that they may see your good works and give glory to your Father who is in heaven” (Matthew 5:16).
Peter also wrote that believing wives can have a powerful influence on unbelieving husbands through respectful and pure conduct:
“…so that even if some do not obey the word, they may be won without a word by the conduct of their wives” (1 Peter 3:1).
So we should be clear: Christians should live in such a way that people see Christlike love, humility, holiness, patience, mercy, forgiveness, and compassion in us. Our conduct should never contradict the gospel we proclaim. But no matter how much our lives reflect Christ, Jesus still says the gospel must be proclaimed.
People are not saved merely by watching Christian lives. They must hear the message of Christ crucified and risen. They must hear of sin, repentance, forgiveness, grace, and salvation in Jesus’ name. This helps us think rightly about a popular saying often attributed to Francis of Assisi:
“Preach the gospel at all times. If necessary, use words.”
The statement sounds appealing, but it is misleading. The gospel cannot be preached without words.
A changed life may adorn the gospel. Good works may make the gospel attractive. Kindness may open a door for gospel conversation. But the gospel itself is news: Christ died for our sins, was buried, rose from the dead, and offers forgiveness to all who repent and believe. That message must be spoken. Paul makes this clear in Romans 10:
“How then will they call on him in whom they have not believed? And how are they to believe in him of whom they have never heard?...So faith comes from hearing, and hearing through the word of Christ” (Romans 10:14, 17).
Follow Paul’s chain backward:
People are saved when they call on the Lord.
But they cannot call on someone they have not believed in.
They cannot believe in someone they have not heard of.
And they cannot hear unless someone tells them.
Take away the proclaiming, and the whole chain collapses.
The Gospel Begins in the Least Likely Place
Jesus says this message will be proclaimed “beginning from Jerusalem.” That is stunning. The worldwide mission does not begin in a distant city that had nothing to do with Jesus’s death. It does not begin in a place that welcomed Him. It begins in Jerusalem.
Jerusalem was the city where the leaders plotted against Him.
Jerusalem was the city where He was falsely tried and condemned.
Jerusalem was the city where the crowd cried, “Crucify him!”
Of every city on earth, Jerusalem was the most guilty of Christ’s blood. Humanly speaking, it seems like the least likely place to begin. But that is exactly where Jesus says to start. This was always God’s plan. Paul would later write:
“The gospel…is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek” (Romans 1:16).
And this is exactly what happened at Pentecost. Peter stood in Jerusalem and preached to the very people among whom Jesus had been rejected and crucified. He said:
“Repent and be baptized every one of you in the name of Jesus Christ for the forgiveness of your sins…” (Acts 2:38).
Repentance. In Jesus’ name. For forgiveness. Beginning in Jerusalem. Luke 24:47 was fulfilled within weeks, and three thousand Jews were saved that day. If forgiveness reached hands stained with Christ’s blood, then no sinner is too far gone.
This Gospel Is for All Nations
The mission begins in Jerusalem, but it does not stay there. Jesus says repentance and forgiveness must be proclaimed “to all nations.” To us, the church's worldwide mission may sound familiar. But to Jesus’s Jewish disciples, this would have been surprising and difficult.
They knew the Messiah came from the Jews. They knew the promises had been given to Abraham, Isaac, Jacob, Moses, David, and the prophets. They knew they were God’s covenant people, distinct from the nations around them. But Jesus says this message is not only for Israel. It is for all nations.
If you want to see how hard this was for them to accept, look at Acts 10. Even Peter did not naturally conclude, “Of course I should go preach Christ to Gentiles.” God had to prepare him through a vision. Peter saw a sheet coming down from heaven filled with all kinds of animals, and he heard the command:
“Rise, Peter; kill and eat” (Acts 10:13).
Peter resisted:
“By no means, Lord; for I have never eaten anything that is common or unclean” (Acts 10:14).
Then God told him:
“What God has made clean, do not call common” (Acts 10:15).
This happened three times, showing how deeply ingrained Peter’s convictions were.
When Cornelius’s messengers came, the Spirit had to tell Peter:
“Rise and go down and accompany them without hesitation, for I have sent them” (Acts 10:20).
Even when Peter entered Cornelius’s house, he admitted how unusual this was:
“You yourselves know how unlawful it is for a Jew to associate with or to visit anyone of another nation” (Acts 10:28).
Jesus had already said the gospel would go to all nations, but Peter still needed divine intervention to enter a Gentile’s house and preach Christ.
Only then did Peter confess:
“Truly I understand that God shows no partiality” (Acts 10:34).
God Always Planned to Save the Nations
Although many Jews struggled to understand it, the inclusion of the Gentiles was not a new idea. It was God’s plan from the beginning. God told Abraham:
“…in you all the families of the earth shall be blessed” (Genesis 12:3).
He said again:
“…in your offspring shall all the nations of the earth be blessed…” (Genesis 22:18).
The Psalms said:
“All the ends of the earth shall remember and turn to the Lord,...