Many people have noted how having a prayer wheel near them helps them to meditate more effectively or to more easily develop positive states of mind. Though Tibetans may begin engaging in the prayer wheel practice based on faith, I suspect that most continue to engage in it based on their own experience of its leading to more peaceful, joyful, and virtuous mental states.
— Lorne Ladner, The Wheel of Great Compassion by Lorne Ladner, editor