"Philothea" is the feminine name of Greek origin that means "Friend of God". The name was used by St. Francis de Sales in one of the most beautiful books of the Christian spiritual literature: "Philothea - Introduction to the Devout Life". This is an exceptional work, certainly the most complete in all respects to lead a Christian life worthy to be called such. There is an argument that is not examined, analyzed and discussed according to the Word of God A Guide incredibly well done, comprehensive that meets all sorts of questions and full of practical advice of behavior and clear devotion to every circumstance of life and for every condition. St. Francis de Sales was declared a saint in 1665, proclaimed a Doctor of the Church in 1877 and Patron of Catholic journalists in 1923.