Aquinas’s Shorter Summa

Saint Thomas's Own Concise Version of His Summa Theologica

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About this item

The essentials of Catholic doctrine
— clearly and succinctly presented

Two years before he died, St. Thomas Aquinas — probably the greatest teacher the Church has ever known — was asked by his assistant, Brother Reginald, to write a simple summary of the Faith of the Catholic Church for those who lacked the time or the stamina to tackle his massive Summa Theologica.

In response, the great saint quickly set down — in language that non-scholars can understand — his peerless insights into the major topics of theology: the Trinity, Divine Providence, the Incarnation of Christ, the Last Judgment, and much more.

Here, then, is not only St. Thomas’s concise statement of the key elements of his thought, but a handy reference source for the essential truths of the Catholic Faith.

St. Thomas will show you:

  • Why faith is reasonable, not blind
  • Why evil can never be as powerful as good
  • Solid arguments for Christ’s Resurrection
  • Powerful arguments for God’s existence
  • Why angels are necessary in creation
  • How Adam’s sin differed from Eve’s
  • Why Jesus descended into Hell
  • Why we must suffer for Adam’s sin
  • Why the truths that you can know
    only through Revelation are nevertheless rational
  • Startling details about God’s forgiveness
  • Facts about the punishment of the damned:
    both spiritual and bodily
  • How a soul’s damnation can be
    compatible with God’s goodness
  • What Christians should think
    about “fate” and “chance”
  • What life after resurrection will be like
  • Three ways in which God is in all things
  • Eternal life: what it is; how to understand it
  • How you can know God through reason
  • Hell-fire: whether it’s real or symbolic
  • Why God became man
  • Why God allows evil
  • How Jesus “grew in wisdom”
  • How Christ can have existed for all eternity
    and yet be God’s Son
  • The Beatific Vision: what it really is
  • Why God’s knowledge of the future
    doesn’t deny man’s free will
  • How the Holy Trinity is three
    distinct Persons, yet one God
  • Much more that will help you know
    and love God with greater understanding!

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Editorial Reviews

Peter Kreeft photo

"A gem, a precious pearl, a masterpiece!"

Peter Kreeft
Ralph McInerny photo

"Thomas Aquinas at his clearest and best. A treasure."

Ralph McInerny
Edward Cardinal Egan photo

"An invaluable introduction to St. Thomas's wisdom and insight."

Edward Cardinal Egan

Product Details

  • Pages: 432
  • Format(s): Paperback, eBook
  • ISBN: 978-1-928832-43-0
  • Product Code: 431
  • Availability: In Stock

Customer Reviews

543212 reviews
St. Thomas - an excellent teacher!
As a late-coming student to theology and philosophy, I find St. Thomas's Concise Summa a wonderful teaching tool and resource for further understanding of the basic beliefs of Christianity. It is clear and easy to understand, and the only addtional resource I have found helpful is a dictionary of philosophical terms as I am weak in that area. Well worth your time!
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STA's short summa
This book is a wonderful way for non intellectuals to read St. Thomas Aquinas! It has all of his inspirational and theological genius in concise and easy to read sections. A must read for all Catholics and highly recommended to non-Catholics interested in learning about the foundations of Christianity.
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