Work · Thomas Aquinas

Summa Theologiae

This vast inquiry, arranged in questions and articles, examines God, creation, human action and Christ. It stages objections and replies within a carefully structured teaching format.

01 / Context & transmission

Understanding the text

Written for Dominican instruction between 1265 and 1274, the Summa remained unfinished; the Supplement was assembled after Thomas’s death from other writings.

02 / Key points

Key points

  1. 01

    Objections

    Every article opens with opposing arguments that must be understood before the master’s response.

  2. 02

    Law and virtue

    Human flourishing involves habits and laws ordered to the common good, not merely a list of prohibitions.

  3. 03

    Reason and faith

    Philosophical reason has its own reach, while theology also examines matters belonging to revelation.

03 / Explore the ideas in depth

Explore the ideas in depth

Read a question in the Summa

This vast inquiry, arranged in questions and articles, examines God, creation, human action and Christ. It stages objections and replies within a carefully structured teaching format.

Objections

Every article opens with opposing arguments that must be understood before the master’s response. Written for Dominican instruction between 1265 and 1274, the Summa remained unfinished; the Supplement was assembled after Thomas’s death from other writings.

Law and virtue

Human flourishing involves habits and laws ordered to the common good, not merely a list of prohibitions. Read a whole article with objections and replies, and distinguish the third part from the posthumous Supplement.

Reason and faith

Philosophical reason has its own reach, while theology also examines matters belonging to revelation. This vast inquiry, arranged in questions and articles, examines God, creation, human action and Christ. It stages objections and replies within a carefully structured teaching format.

Questions to carry into your reading

  • Which objection best tests your first answer?
  • What changes when you follow the replies to each objection?

Read a whole article with objections and replies, and distinguish the third part from the posthumous Supplement.

Read with a guide
04 / How to read it

How to read it

Read a whole article with objections and replies, and distinguish the third part from the posthumous Supplement.

05 / Editions & sources

Editions & sources

Summaries and key points are original editorial interpretations. They accompany reading the work and do not replace an edition of the text. Editorial method ↗

Continue exploring the texts
c. 1259–1265

Summa contra Gentiles

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