Peter, also known as Simon Peter, is one of the most prominent apostles in the New Testament. His reactions throughout the Gospels and Acts provide insight into his character, faith, and the transformative power of Jesus Christ. Peter's responses to various events are pivotal in understanding his role in the early Church and his relationship with Jesus.

1. Peter's Confession of Christ:

One of the most significant moments in Peter's life is his confession of Jesus as the Messiah. In Matthew 16:16, Peter declares, "You are the Christ, the Son of the living God." This confession is met with Jesus' affirmation and the promise that Peter will be the rock upon which the Church is built (Matthew 16:18). Peter's reaction here is one of faith and recognition of Jesus' divine identity, setting the stage for his leadership role among the apostles.

2. Peter's Reaction to Jesus Walking on Water:

In Matthew 14:28-31, Peter's reaction to Jesus walking on water is a mixture of faith and doubt. Initially, Peter steps out of the boat in faith, saying, "Lord, if it is You, command me to come to You on the water" (Matthew 14:28). However, when he sees the wind, he becomes afraid and begins to sink, crying out, "Lord, save me!" (Matthew 14:30). Jesus immediately reaches out to save him, highlighting both Peter's initial faith and his human frailty.

3. Peter's Denial of Christ:

Perhaps one of the most well-known reactions of Peter is his denial of Jesus. Despite his earlier declaration of unwavering loyalty (Matthew 26:33), Peter denies knowing Jesus three times during the events leading up to the crucifixion (Matthew 26:69-75). This reaction is marked by fear and self-preservation, contrasting sharply with his earlier boldness. After the rooster crows, Peter remembers Jesus' prediction and weeps bitterly, indicating his deep remorse and repentance.

4. Peter's Reaction to the Resurrection:

Following the resurrection, Peter's reaction is one of amazement and belief. In John 20:6-8, Peter is one of the first to enter the empty tomb, and he later encounters the risen Christ. This encounter transforms Peter, restoring his faith and commissioning him for future ministry. In John 21:15-17, Jesus reinstates Peter, asking him three times to "feed My sheep," symbolically reversing his three denials and reaffirming his role as a leader among the apostles.

5. Peter's Boldness at Pentecost:

In Acts 2, Peter's reaction to the outpouring of the Holy Spirit at Pentecost is one of bold proclamation. Filled with the Holy Spirit, Peter stands up and addresses the crowd, explaining the significance of the event and testifying to Jesus' resurrection (Acts 2:14-36). His sermon leads to the conversion of about three thousand people, marking the birth of the early Church. This reaction demonstrates Peter's transformation from a fearful denier to a courageous leader empowered by the Holy Spirit.

6. Peter's Vision and Acceptance of Gentiles:

In Acts 10, Peter's reaction to the vision of the sheet with unclean animals is initially one of confusion and resistance. However, as he obeys the Spirit's prompting to visit Cornelius, a Gentile centurion, Peter realizes that God shows no favoritism (Acts 10:34-35). His acceptance of Gentiles into the faith marks a significant shift in the early Church's understanding of the gospel's reach, showcasing Peter's openness to God's leading and his role in the Church's expansion.

Peter's reactions throughout the New Testament illustrate his journey from impulsive disciple to foundational apostle. His experiences reflect the challenges and growth inherent in the Christian walk, offering a model of faith, repentance, and leadership.