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The Philosophy of Thomas Aquinas

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"An enthusiastic admirer of the philosophy of Thomas Aquinas, professor and philosopher Peter Kreeft details the rational thought and precise literary talent that established Aquinas as the foremost thinker of his time—and as the most important philosopher for the almost two thousand years between Aristotle and Descartes. A landmark of philosophical achievement, Aquinas’s Summa Theologica has given theologians and philosophers much to discuss since the thirteenth century. Peter Kreeft explains why." (The Modern Scholar)

8 pages, Audible Audio

First published September 24, 2009

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468 people want to read

About the author

Peter Kreeft

197 books1,068 followers
Peter Kreeft is an American philosopher and prolific author of over eighty books on Christian theology, philosophy, and apologetics. A convert from Protestantism to Catholicism, his journey was shaped by his study of Church history, Gothic architecture, and Thomistic thought. He earned his BA from Calvin College, an MA and PhD from Fordham University, and pursued further studies at Yale. Since 1965, he has taught philosophy at Boston College and also at The King’s College. Kreeft is known for formulating “Twenty Arguments for the Existence of God” with Ronald K. Tacelli, featured in their Handbook of Christian Apologetics. A strong advocate for unity among Christians, he emphasizes shared belief in Christ over denominational differences.

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5 stars
185 (43%)
4 stars
147 (34%)
3 stars
78 (18%)
2 stars
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6 (1%)
Displaying 1 - 30 of 73 reviews
Profile Image for sch.
1,275 reviews23 followers
July 22, 2020
Jul 2020. Rereading. Finished, excellent. Also surprisingly helpful for teaching THE BEST THINGS IN LIFE.

Jul 2017. Rereading before teaching a class on dialectic in August 2017. Very good.

Jun 2015. Clear. Many direct quotations, thorough explications, and helpful analogies, illustrations, and allusions to other intellectuals. I've learned some elements of Thomistic philosophy. Kreeft's professorial persona sometimes grates. The biographical sketch in the first lecture and the judgments on contemporary culture throughout the series are not always sufficiently critical. Very good.
Profile Image for booklady.
2,731 reviews174 followers
September 24, 2012
I have always wanted to take a course on Thomas Aquinas. Now I can finally cross that off my bucket list ... if I had one. As it is, I don't think I'll really count this course to my credit though until I do it all the way through at least once more. There were a number of chapters I listened to twice, or started over (even more than once!) but I cannot say I began to absorb the depth of this course, probably because each new chapter felt like I was beginning a brand new subject, although if I was more familiar with TA's Summa it would certainly help. Why do I find reading it like reading my daughter's engineering textbooks? (sigh) Must keep trying...

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I'm on lecture 10. I've re-listened to several of the lectures: the ones on metaphysics and epistemology--I have to keep reminding myself what those words mean! LOL! Probably could listen to this several dozen times and still not 'get' it all. But a surprising amount IS making sense! And I am really, really enjoying it!
20 reviews
March 20, 2012
"If the computer you are using was programmed by chance instead of intelligently designed you wouldn't trust it would you? Then why would you trust your brain's argument for atheism." If that sounds like a conclusive proof that God must exist, then this is the lecture series for you. "Certainly you think man is more important than vegetables. If not, then don't invite me over for dinner." If that demonstrates to you why mankind is a more important creature than all other living beings, then this is for you. If you want to hear how holy and perfect Aquinas was as a Christian and saint, then this is for you. If you want to learn about Aquinas as a great medieval philosopher and theologian, then you should probably look elsewhere. In here you will only find out how Aquinas was right in everything he said about God and how most later philosophers have been dreadfully wrong.
Profile Image for C. A..
117 reviews6 followers
April 4, 2019
Extremely clear and thorough.
If you find it hard, don't worry. No one is expected to fully understand a philosopher in a single read/listen.
Will definitely be re-listening to this.
Profile Image for Jared Martin.
48 reviews
January 2, 2025
I’m unable to put all my eggs this basket, but my henhouse has just been remodeled. Highly recommend for any Christian engaged in philosophy.
Kreeft makes the case that Aquinas has done quite thoroughly in philosophy what books like “Biblical Critical Theory” by Christopher Watkin seek to do in identifying Christianity as the most fruitful, compelling, and ultimately reasonable faith. In short, theology is the life and light of philosophy.
Profile Image for Bryan.
Author 2 books19 followers
August 30, 2012
The audiobook lecture series was a terrific introduction to the world and philosophy of theological giant, Thomas Aquinas.

Thomas is renowned for having reconciled the intellectual reasoning of the ancient philosophers, such as Aristotle and Plato, with the doctrine of Jesus Christ. He was so prolific at expounding on theological principles that the church ended up assigning several scribes to him so that he could philosophize verbally and allow them to record it for him––thus speeding up the process. In all, he made some one-hundred thousand pages of philosophical thought.

Four stars for such a great introduction!
6 reviews2 followers
May 19, 2015
From audio. Excellent. I wanted an introduction in concrete thoughts of Thomas Aquinas, and this gave the ideas along with common examples to illustrate the ideas. I found them accessible and clear. It was excellent to walk through these thoughts. His thinking is quite remarkable, and it seems quite important for those interested in exercising and developing their thinking to especially work with the kind of quality of thoughts here. Thomas is especially a middle road synthesizer, a balanced and healthy path for developing our thinking. Really loved it.
Profile Image for Mike O'Connor.
240 reviews4 followers
April 17, 2017
Essentially just a series of college lectures, this was part of my "Lenten" reading anda desire to get a grounded introduction to this important thinker, but Kreeft's engaging presentation is definitely centered around Aquinas' philosophy more so than theology, though it doesn't ignore the latter.
Profile Image for Diem.
525 reviews190 followers
December 21, 2014
Tremendously challenging but worth the trouble. Even if my mutterings upon having to hit rewind so many times didn't reflect a sense of enjoyment.
Profile Image for Richard Thompson.
2,932 reviews167 followers
December 1, 2021
I think that I would have liked Thomas Aquinas personally. It would have been great fun to stay up all night talking with him. His ideas were infused with a simplicity and goodness that is attractive even to an unbeliever. But the problem for me is that it is all based on religious premises that are just not live propositions for me. Yes it is interesting to think about what it would mean if pigs could fly. What would their wingspan have to be? Could they soar like eagles? How would their diet change after they became airborne? It could be a lot of fun and might even shed some light on real world questions, but spending a lot of time on this would never feel productive. I'm not saying that religion or faith or spiritual matters are a waste of time. To the contrary, I think that they are an important part of a complete life, but I think that they are inherently outside of the range of rational analysis and that applying rational analysis in areas like this is more likely to yield absurdities than meaningful answers. Thomas was a good man, but he spent a lot of time barking up the wrong tree.
Profile Image for Pseudo.
139 reviews
February 12, 2018
As far as pedagogy is concerned, Kreeft does a great job explaining Aquinus, using good analogies to sum up his analogical reasonings. He trully does his idol justice. Too bad the book is a bit antagonistic : it seems Kreeft intends not merely to explain a certain philosophy but to convince the reader of its superiority (especially compared to modern philosophers). While not particularly fond of the philosophers he criticizes, I did feel the contradictors were too conveniently picked. Seldom does he really confront Aquinus to Spinoza, or other major classical philosophies, rather disproving already pretty marginalized schools of thought like nihilism, existentialism, deconstructionism, etc.
In imitating the form (disputatio) of his model, he falls prey to the same mistake : it's easy to appear sensible and rationnally triumphant when you artificially choose your opponent's arguments. It doesn't actually replace a real dialogue and it doesn't mean you trully won the debate.
Aside from that -and maybe partially because of that, as it is both annoying and amusing to try and notice the subtle rhetorics with which he tries to entice the reader- this is a great book, definitely food for thought.
Profile Image for Patrick.
193 reviews21 followers
December 4, 2012
amazon review:

An enthusiastic admirer of the philosophy of Thomas Aquinas, professor and philosopher Peter Kreeft details the rational thought and precise literary talent that established Aquinas as the foremost thinker of his time - and as the most important philosopher for the almost 200 years between Aristotle and Descartes.
A landmark of philosophical achievement, Aquinas's Summa Theologica has given theologians and philosophers much to discuss since the 13th century.
Profile Image for Ryan.
266 reviews55 followers
June 29, 2019
This is a superb primer to Thomas Aquinas. I'm not at all hesitant to admit that I to re-listen a number of times for the bigger picture of the lectures to become cemented in my mind. Even if you have no prior knowledge of him, but you still want to learn about them, this is an excellent starting point.
Profile Image for Coyle.
675 reviews62 followers
July 20, 2011
While the information presented in these lectures is useful and interesting, it's not terribly well presented. While Kreeft clearly has a solid grasp on Aquinas, he's not a great lecturer. The course guide to this series was far more useful than the audio portion.
Profile Image for Edward C..
36 reviews8 followers
November 15, 2011
Very well done. This is a great introduction to Aquinas' thought: basic enough for the uninitiated but thorough enough that those at least somewhat familiar with Thomism can come away with something.
Profile Image for Jay Medenwaldt.
42 reviews4 followers
September 1, 2013
This was a great book. It was interesting, well presented, and easy to understand (considering the depth of Aquinas' philosophy). I think this is one of my top 3 favorite books. It has instantly made me a huge fan of Aquinas and Peter Kreeft (author).
Profile Image for Leo Dion.
6 reviews
October 30, 2011
Great companion to Kreeft's Summa of the Summa. Offers great insight to Aquinas and how he fits in the modern world.
220 reviews
June 12, 2013
Performed with Kreeft's usual wit and clarity.
Profile Image for Vlad Stepanov.
92 reviews
June 12, 2018
I was hoping to read something firsthand by Thomas Aquinas. This, however, was a lecture, and the speaker was very monotone. It was a hard listen.
Profile Image for Chandler Kelley.
60 reviews8 followers
August 11, 2021
Misunderstands Protestants at times and seems to have a hobby-horse to prove that evolution/natural selection is consistent with Thomas, but overall an excellent introduction.
Profile Image for Philip Brown.
893 reviews23 followers
September 7, 2025
Yea interesting. I'm not a Thomist, but I enjoyed this and learned a lot.
Profile Image for Carl  Palmateer.
614 reviews2 followers
July 26, 2022
Good, accessible without being too watered down. Prof Kreeft's voice is just a bit too easy going.
Profile Image for Michael.
546 reviews58 followers
March 16, 2018
This is my first foray into Thomas Aquinas. The author, Peter Kreeft, is a catholic devotee of Thomism, and this permeates the whole book, for better or worse. I found the lectures to get progressively more annoying as Kreeft dismissively put a match to all opposing straw views and delighted in Aquinas's simple common sense approach. Aquinas clearly suffered from a Middle Ages obsession with forms, essences, spirits, beings, natures, mind, soul, hierarchies, and a whole list of theoretical assumptions that must have seemed so common sensical to him, but have been seriously questioned by later thinkers (not to mention earlier thinkers) as to their relevance to epistemology and metaphysics. I'd like to see Thomas go head to head with a good reductionist. IMO, Thomas simply deduced his way to the nice conclusions that he wanted in the first place, which isn't so bad because he seemed like a pretty nice guy.
245 reviews19 followers
October 17, 2023
My favorite Modern Scholar lectures. It was wonderful to listen to Philosophy lectures from a believer (I had an experience in college Phil class where the teacher tried to convince the students to be agnostic).

Prof. Kreeft kept favorably comparing Thomas Aquinas' Philosophy to common sense. I got the impression the philosophy was ingrained in Prof. Kreeft upbringing.

Other recommended (Modern Scholar as well as Great Courses) include:
Effective Communication Skills by Dalton Kehoe
The Art of Conflict Management: Achieving Solutions for Life Work by Michael Dues
The Great Debate: Advocates and Opponents of the American Constitution by Thomas L. Pangle
Faith and Reason: The Philosophy of Religion by Peter Kreeft
Questions of Value by Patrick Grim
Displaying 1 - 30 of 73 reviews

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