Late in 1973 I finished my B.Sc. honours degree in physics at the University of Western Australia. After that I was not so sure what I should do. However, that summer (Nov-Dec 1973) I visited my Catholic girlfriend out in the country (which Australians call the Outback) on an aboriginal mission where she was working. I think she could not fully comprehend what was going on in my mind, though she was happy I was no longer an atheist but had become a Catholic. (We were engaged to be married when her service ended.) I grew to understand later that her service to God was some religious duty instilled in her by Catholic parents and the Roman Catholic Church, and not as a result of a new heart from a ‘rebirth in Christ’.

At that time, while working out there, I met a Christian guy who told me about David Wilkerson and his work amongst…