Excerpts from the book The God Factor: Inside the Spiritual Lives of Public People (Farrar, Straus and Giroux, 2006) some things he mentioned about his faith:“I’ve always prayed to the Holy Ghost for wisdom and for understanding and knowledge. I think he answered my prayers when I stopped in the church that day. My life was totally different from that day on. I saw myself as I was, and I saw into the future and saw what I wanted to be. And I sort of rededicated myself to God and begged him to make me a better person. It wasn’t fear of hell or anything like that. I just somehow knew that to be like this, like what I was, wasn’t the reason I was created. I had to be better. I had to be a better person. And I think I am now. I like myself,” he says,
Before John goes onstage each night, he says a prayer. “‘Most glorious Blessed Spirit, I thank you for all the gifts and talents that you’ve given me. Please help me to use all these gifts and talents to their fullest. And please accept this performance as a prayer of praise and thanks to you.’ I always say that.”
While he can’t put an exact date on it, John believes his mind began to change when his heart did, around the time he had what he describes as an “epiphany” in a Roman Catholic church in downtown Chicago around 1975. “I was in the Loop, and I went into St. Peter’s and went to Mass, and it was just about the most emotional thing that ever happened to me. I don’t know where it came from, I just had a little breakdown of some sort, and after that, made a conscious effort to be a better person, to be a part of the world, and to try to revolve around everyone else in the world instead of expecting them to revolve around me.