The Improvement Of The Moral Qualities: An Ethical Treatise Of The Eleventh Century By Solomon Ibn Gibirol is a book written by Gabirol, Solomon Ibn. The book is a comprehensive guide to improving one's moral qualities, written in the eleventh century. The author, Solomon Ibn Gibirol, was a Jewish philosopher and poet who lived in Spain during the Islamic Golden Age. The book is an ethical treatise that explores the virtues and vices of human behavior...