The Catholic Church was not the first church,and Jesus did not founded the Catholic Church. This is only found in the Catholic bible. It is what one chooses to beleive. It is all about the messiah Jesus Christ, the only truth is Jesus Christ does not matter what man (religion) has said. Jesus came to save the sinner,if one believes he came and died for us and we allow his light to shine through us then that's what's it's all about. When Jesus said to Peter I will give you the keys to heaven,Jesus meant the gospel. Peter was the foundation for the gospel. Jesus was giving Peter the authority(ambassador) for the gospel. And when Jesus said the gates of hell would not prevail,he was saying by giving Peter the authority no one not even Satan himself could stop the gospel being told.