The Words That Created God question

Where does faith come from? For that matter, what is faith? The two questions are inseparable. "The Words That Created God" is about these issues, but its starting point is law and economics. And nature. I feel strongly that faith is a part of everyone's life, whether we recognize it or not. But how does religious faith fit into this? What are its limits? Does it have any? What is secular faith? Or is that a contradiction? Over to you, dear reader.