Saint Gregory's Commentary on Job, or Moralia, sive Expositio in Job, sometimes called Magna Moralia, but not to be confused with Aristotle

Aristotle

Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

's Great Ethics known by the same title, was written between 578 and 595, begun when Gregory was at the court of Tiberius II at Constantinople

Constantinople

Constantinople was the capital of the Roman, Eastern Roman, Byzantine, Latin, and Ottoman Empires. Throughout most of the Middle Ages, Constantinople was Europe's largest and wealthiest city.-Names:...

, but finished only after he had already been in Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

 for several years. It is Gregory's major work, filling some 35 volumes, a commentary on the book of Job

Book of Job

The Book of Job , commonly referred to simply as Job, is one of the books of the Hebrew Bible. It relates the story of Job, his trials at the hands of Satan, his discussions with friends on the origins and nature of his suffering, his challenge to God, and finally a response from God. The book is a...

 entitled "An Extensive Consideration of Moral Questions".

Editions

• Basel: Nicolaus Kesler, Basel
  Basel
  Basel or Basle In the national languages of Switzerland the city is also known as Bâle , Basilea and Basilea is Switzerland's third most populous city with about 166,000 inhabitants. Located where the Swiss, French and German borders meet, Basel also has suburbs in France and Germany...
  
   (1496) http://www.ndl.go.jp/incunabula/e/collection/incu_04.html
• Patrologia Latina
  Patrologia Latina
  The Patrologia Latina is an enormous collection of the writings of the Church Fathers and other ecclesiastical writers published by Jacques-Paul Migne between 1844 and 1855, with indices published between 1862 and 1865....
  
  , volumes 75–76.
• English translation in Library of the Fathers
  Library of the Fathers
  The Library of the Fathers, more properly A library of fathers of the holy Catholic church: anterior to the division of the East and West, was a series of around 50 volumes of the Church Fathers, annotated in English translation, published 1838 to 1881 by John Henry Parker...
  
  (4 vols., Oxford, 1844)