 There he wrote his most famous work A Treatise on True Theology, "De Vera Theologia", which became a cornerstone of Reformed scholastic theology.About the same time he also wrote "The Mosaic Polity", "De politiae Mosis observatione" (1593), which addressed the contemporary political implications of the Mosaic Law.In this latter work, Junius analyzes the relationship between church and state and argues against the idea that humanism and scholasticism are necessarily antithetical.