Peter was just finishing his sermon. The day didn't actually start with a sermon. It started with a prayer meeting. There were 120 believers praying in an upper room. They really didn't know what to do. Jesus had told them to wait in Jerusalem until the Holy Spirit came and empowered them for their mission. It was Pentecost, so there were Jews from all around the world in Jerusalem. Then the Holy Spirit came. He didn't come quietly. There was a loud sound like a mighty wind. It wasn't a mighty wind, but it sounded like it. The believers looked around and saw what seemed to be tongues of fire on each other. It wasn't fire, but it looked like it. Then the believers began to praise God. People from all around came to see what was happening. They had heard the sound. Then they heard the disciples praying and praising God in their own language. This got people's attention. Of course, there were the skeptics present who said, "They are just drunk." This is when Peter began his sermon, ". . .these are not drunk, as you suppose, . . ." He gave a rather lengthy sermon using the prophecy of Joel and Psalm 110 to show that Jesus was the Lord and the Messiah. He finished it by saying, "Therefore let all the house of Israel know assuredly that God has made this Jesus, whom you crucified, both Lord and Christ." (Acts 2:36 NKJV)
The text for the sermon was this verse (36) and verses 37-39:
Now when they heard this, they were cut to the heart, and said to Peter and the rest of the apostles, "Men and brethren, what shall we do?"What was it that cut the listeners to the heart? Peter had just given a lot of prophetic pointers to Jesus, and then he said, "This Jesus . . . that YOU crucified . . . God exalted . . ." You see, they knew about the crucifixion of Jesus, but they thought of him as only a man. But, this man that they -- yes, the Jews, but this is no cause for antisemitism, for in reality, since Jesus died for all of us -- we all crucified. But God had made him Lord. This is certainly a claim to the divinity of Jesus. God also made him Christ -- the anointed one -- the Messiah.
Then Peter said to them, "Repent, and let every one of you be baptized in the name of Jesus Christ for the remission of sins, and you shall receive the gift of the Holy Spirit. For the promise is to you and to your children, and to all who are afar off, as many as the Lord our God will call."
They heard the message. This Jesus that they had debased, God exalted. Obviously they were convicted by Peter's sermon. They could see that they had misjudged Jesus, so they asked the correct question, "What should we do?" It is easy to hear sounds, but not really listen. This happens to me all the time with my wife. She will catch me up short when she says, "What did I just say?" Of course, I have to play ignorant, because I didn't really hear. When we hear, there must be some kind of response. The Navy is known for its, "Aye, Aye, Sir!" This really doesn't mean, "Yes, Yes Sir!" When being talked to by a superior officer, the correct response is merely "Yes, Sir." But, when a direct order is given, then the aye, aye is used and it means, "Yes, I heard you Sir and I will carry out the order." This is the kind of hearing that is really required in the Bible. This is how the people heard Peter's sermon. They knew that something must be done in response to this message.
Peter gave them the answer, "Repent and be Baptized." He told them that when they did that that two things would happen to them. First, they would be forgiven for their sins. That sounds pretty good! But, secondly, they would receive the gift of the Holy Spirit. Wow! This is very good. Peter went on to say that this was not just for them, but for everyone who responds to the call in this way. It wasn't just for the Jews, it was also for the gentiles. It wasn't just for that generation. It was for the generations to come, right down to this day. Peter stated that it was for all that Jesus loves and calls -- that is EVERYONE! It includes the Muslim, the murderer, the thief, the sexually broken -- everyone. No exceptions.
Well, what does it mean to repent. All to often, the picture that we give of repentance is that of giving up all of our old life. Certainly that is partially true, but that is not the basic meaning of the word. To repent means to turn around and go another direction. We are fond of discussing the fact that we are "born again" Christians. This is great. I am born again and grateful to God for this new birth. But this is not the most common invitation that Jesus gives in the gospels. His most common invitation is to come and follow me. This is what we should get from the word repent -- I have been walking in a different direction, but I have decided now to turn around and follow Jesus. Of course, as we make this change in our lives, there is confession of sins, and there is a renouncing of those ways that are incompatible with following Jesus.
Baptism is a sign of what has happened on the inside. We have died and now are reborn (see Romans 6). That is why we baptize by immersion. The picture of new birth is there. So Jesus says that we must repent and be baptized in order to be forgiven and to receive the Holy Spirit. True, but what about someone who dies before they can be baptized? Remember, baptism is the outward sign of inward change. Salvation comes before baptism. We confess that Jesus is Lord. Immediately we are forgiven and receive the Holy Spirit -- but don't forget baptism because it is really the first step in following Jesus.
This is the church. It is composed of Spirit filled believers who have been baptized in the name of Jesus Christ. Since the Holy Spirit chooses to operate through believers -- the church becomes the operating venue for the Holy Spirit. We must follow the leading of the Holy Spirit in all that we do.
Finally, always remember that all of this is given be grace to all who believe. Peter isn't giving a series of "hoops to jump through." Peter said that this promise was for everyone. We must never make it difficult for people to hear the simple gospel.


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