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There was nothing offensive about your question. I'm pleased to take a shot at it. I notice that others have commented on the "vain repetition" aspect of your question. I would also point to this article; it offers what I think is a fairly standard Catholic comment on Mt. 6:7. And so the rest of my response is more personal -- my experience of praying the Rosary and why I (a progressive Catholic by almost anyone's standard) pray it (nearly) every day. I have carried a Rosary in my left front pant-pocket since I was in grammar school. There were periods during which I did not pray it -- I was "too busy", or worse "too sophisticated." Still, it was always in my pocket, and often I inserted my hand to touch the beads. Ours is an earthy religion: we pray by sight, by sound, by smell, by touch; we value water, wine, bread, wood, metal and mortar. And so I like to touch the beads and move my fingers from one bead to the next. I hope I will be clutching them as I take my last breath.