Ignatius of Loyola wrote the Jesuit Constitutions, which created a tightly centralized organization and stressed absolute self-abnegation and obedience to Pope. Jesuits do not have an official habit. | Ignatius of Loyola wrote the Jesuit Constitutions, which created a tightly centralized organization and stressed absolute self-abnegation and obedience to Pope. Jesuits do not have an official habit. |