Question: "What are the keys of the kingdom?"
Answer: The biblical passage that makes reference to the “keys of the kingdom” is Matthew 16:19. Jesus had asked His disciples who people thought He was. After responding with several of the more popular opinions, Jesus aimed His question directly at His disciples. Peter, responding for the twelve, acknowledged Jesus as the Christ, the Son of the Living God. After this great confession, Jesus replied, “Blessed are you, Simon Bar-Jonah! For flesh and blood has not revealed this to you, but my Father who is in heaven. And I tell you, you are Peter, and on this rock I will build my church, and the gates of hell shall not prevail against it. I will give you the keys of the kingdom of heaven, and whatever you bind on earth shall be bound in heaven, and whatever you loose on earth shall be loosed in heaven” (Matthew 16:17—19).
Keys are used to lock or unlock doors. The specific doors Jesus has in mind in this passage are the doors to the Kingdom of Heaven. Jesus is laying the foundation of His church (Ephesians 2:20). The disciples will be the leaders of this new institution, and Jesus is giving them the authority to, as it were, open the doors to heaven and invite the world to enter. At this point it is important to understand how, biblically speaking, one enters the Kingdom of Heaven.
Jesus said that, unless one is born again, he will not see the Kingdom of Heaven (John 3:3). One is born again as the Holy Spirit works through the Word of God to bring about new life in a dead sinner. The content of the message is the substitutionary death of Christ and His subsequent resurrection (Romans 10:9–10). So the faithful preaching of the gospel is the key to the kingdom.
In Matthew 16:19, Jesus is specifically addressing Peter, so it is significant that, in the book of Acts, Peter figures prominently in the “opening of doors” to three different groups of people so they can enter the Kingdom. In Acts 2, it is Peter who preaches in Jerusalem on the Day of Pentecost; about three thousand Jewish people are saved that day. Peter’s preaching had “unlocked the door” of heaven for the Jews. Later, in Acts 8, the Samaritans believe the gospel and receive the Holy Spirit; again, Peter (and John) was present for this event. Peter had “unlocked the door” for the Samaritans. Then, in Acts 10, Peter brings the gospel to a Roman centurion’s household, and they, too, receive the Holy Spirit. Peter had “unlocked the door” for the Gentiles. The “keys” that Jesus had given him worked in each case.
Of course, keys can be used to lock doors as well as open them. Part of the gospel message is that faith is necessary. Without faith in Christ, the door to heaven is shut and barred (see John 3:18). As the apostles preached the gospel, those who responded in faith and repentance were granted access to the Kingdom of Heaven; yet those who continued to harden their hearts and reject the gospel of God’s saving grace were shut out of the Kingdom (Acts 8:23).
The context of Matthew 16 also refers to a “binding and loosing.” To better understand this concept, we turn to Matthew 18:15–20, where Jesus gives the guidelines for church discipline, using the same “binding and loosing” language we find in Matthew 16. The apostles were not to usurp Christ’s authority over individual believers and their eternal destiny, but they were to exercise authority to discipline erring believers and, if necessary, excommunicate disobedient church members. Based on God’s Word, believers today can declare an unrepentant sinner to be unsaved (“bound”) and a repentant believer in Jesus Christ to be saved (“loosed”). The binding or loosing, based on one’s rejection or acceptance of the gospel, reflects heaven’s perspective on the matter. In heaven, Christ ratifies what is done in His name and in obedience to His Word on earth.
God’s will is that sinners be granted access to heaven through the righteousness of Christ. Consider Jesus’ warning to the Pharisees: “But woe to you, scribes and Pharisees, hypocrites! For you shut the kingdom of heaven in people’s faces. For you neither enter yourselves nor allow those who would enter to go in” (Matthew 23:13). If the gospel message is distorted or ignored, or if unrepentant sin is not adequately disciplined, the doors to the Kingdom of Heaven are being shut in people’s faces.
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