Preaching as a Key of the Kingdom

Jesus Himself speaks of the "keys of the kingdom" when He addressed Peter in Matthew 16:18, 19: "And I say also unto thee, that thou art Peter, and upon this rock I will build My church; and the gates of hell shall not prevail against it. And I will give unto thee the keys of the kingdom of heaven; and whatsoever thou shalt bind on earth shall be bound in heaven; and whatsoever thou shalt loose on earth shall be loosed in heaven." Jesus Himself speaks of the "keys of the kingdom" when He...