For a non-Protestant, one Mass was enough for me. In fact, I doubt I’ll participate again while I’m here. No judgment. It just doesn’t resonate with me. But sitting and praying does, so very likely I’ll return to the Duomo in the early morning and slip into adjacent chapel while Mass is going on. Sitting under Brunelleschi’s Dome before the tourists enter, praying in the Protestant way—just God and me—can’t get much better.