Francis de Sales, C.O., O.M., O.F.M. Cap. () (21 August 156728 December 1622) was a Bishop of Geneva and is honored as a saint in the Roman Catholic Church. He became noted for his deep faith and his gentle approach to the religious divisions in his land resulting from the Protestant Reformation. He is known also for his writings on the topic of spiritual direction and spiritual formation, particularly the Introduction to the Devout Life and the Treatise on the Love of God.