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An Exposition of the “On the Hebdomads” of Boethius
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An Exposition of the “On the Hebdomads” of Boethius


Catholic University of America 2001

Runs on Windows, Mac and mobile.


In his sixth-century work commonly known as the De Hebdomadibus, Boethius (ca. 480–524) poses the question of how created things or substances can be good just as they are—that is, good just by existing—without being the same as the source of all goodness, God, who is understood to be Goodness Itself. In his commentary written in the thirteenth century, St. Thomas Aquinas sets out to explain the problem Boethius is treating as well as to explicate Boethius’ solution. In doing so, however, the Angelic Doctor suggests a more developed analysis of goodness, based on his own metaphysical perspective.

The introduction to this translation provides critical historical background, including an account of the influence of Cicero and Augustine, for understanding Boethius’ view of being, or esse. Based on historical and textual analysis, the authors reaffirm the “traditional” interpretation, which holds that, for Boethius, esse indicates form rather than a distinct act of being. In articulating the difference between Boethius’ and Aquinas’ positions on esse and goodness, and hence the relation of esse and goodness, Schultz and Synan show not only that Aquinas was respectful of Boethius’ stance, but that his own position could be seen as a development in harmony with his predecessor’s thought.

This edition presents the English translation with the 1992 Leonine critical edition of Aquinas’ Latin text for easy comparison. The work will be valuable to those interested in the fundamental philosophical and theological questions facing mediaeval thinkers and Aquinas’ metaphysical thought in particular.

In the Logos edition, this volume is enhanced by amazing functionality. Important terms link to dictionaries, encyclopedias, and a wealth of other resources in your digital library. Perform powerful searches to find exactly what you’re looking for. Take the discussion with you using tablet and mobile apps. With Logos Bible Software, the most efficient and comprehensive research tools are in one place, so you get the most out of your study.

This volume is part of Thomas Aquinas in Translation. Take a look at the whole set.

Key Features

  • Compares the positions of Aquinas and Boethius on esse and goodness
  • Offers insight into Aquinas’ metaphysical thought
  • Includes a helpful introduction with critical historical background


  • Introduction
  • Chapter 1
  • Chapter 2
  • Chapter 3
  • Chapter 4
  • Chapter 5

Praise for the Print Edition

What emerges from this fascinating book is an account by the last Roman of goodness and existence, an active interpretation of that work by the Angelic Doctor, and a helpful introductory essay, in which the translators discuss the mechanics of Thomas’ reinterpretation. Consequently, this volume will be important for people with a rather large range of interests—metaphysics, late ancient philosophy, hermeneutics . . . The book is an outstanding piece of work.

The Heythrop Journal

Product Details

About the Translators

Janice L. Schultz is professor of philosophy at Canisius College and the author of numerous articles on Thomistic ethical theory.

Edward A. Synan (1918–1997) was senior fellow emeritus at the Pontifical Institute of Mediaeval Studies in Toronto and professor emeritus of philosophy at the University of Toronto. He was the author of eight books and many articles and reviews on mediaeval thought as well as Jewish-Christian relations.