Jeanne-Marie Bouvier de La Motte Guyon (Commonly known as Madame Guyon, French: [gɥi.jɔ̃]; 13 April 1648 – 9 June 1717) was a French Christian accused of advocating Quietism, which was considered heretical by the Roman Catholic Church. Madame Guyon was imprisoned from 1695 to 1703 after publishing the book A Short and Very Easy Method of Prayer. Source: Wikipedia (en)