Success is never final, and failure is never fatal. Need an example of that today? Meet John Mark, a man who lived in Jerusalem in the first century, mostly known as just Mark. We're introduced to him at a prayer meeting was held in his mother's home in Jerusalem. It was at that small group he met a man who was to leave a deep impression on his life named Peter. You can read about all of this in the New Testament book of Acts, chapter 12.