  2. The Commentary on Ecclesiastes  It seems that this was Ibn Tibbon’s first major exegetical work; it was likely completed sometime between 1213 and 1221. The commentary is a large and digressive work, including a long preface, a verse-by-verse commentary, and several digressions, in which Ibn Tibbon introduces a philosophical subject or explains a related verse in Genesis, Jeremiah, Psalms, Proverbs, or the Song of Songs. The philosophical digressions are mainly related to logic, astronomy, meteorology, generation and corruption, celestial influence on the sublunar world, and the soul and its faculties.