It is delightful to read Thomas’ answer to the question whether there is any passion in the soul. He manages to say yes, but only after heavy differentiation of the terms. I am quoting the text from the Catholic New Advent website; the links in the text will lead you back to that site. Article […]

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What is the relation between human action and natural teleology? In these articles from the beginning of the second part of the Summa Theologica of Thomas Aquinas, he answers that we have to distinguish between human acts that come from a deliberate will, and therefore they are the proper domain of humanity, and actions that […]

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John 1,14: The Word became flesh and made his dwelling among us.  The incarnation is probably the aspect of Christianity that is hardest to grasp. In the following articles from the third part of the Summa Theologica,  Thomas Aquinas explains why this was necessary for the salvation of human beings. God could have saved us in […]

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Content: Timeline of his Life 1225 Thomas Aquinas born at Roccasecca 1230 Begins studies at Montecassino 1239 Continues studies at University of Naples 1244 Joins Dominicans; family protests decision by imprisoning him for a year 1245 Released by his family, Thomas goes to Paris to study with Albert the Great 1248 Accompanies Albert to newly […]

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The following streamlined text selections from the Summa Theologiae, Thomas Aquinas’ main work, show his treatment of the philosophical problems of the law. The sections reproduced here contain only the so-called “responsios”; some articles are omitted entirely.  Thomas’s approach is very consistent; he has great confidence that reason can function as a guide to guide […]

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Thomas Aquinas claims that the existence of God can be proven in five ways. I will first quote the text from the Summa, and then outline the five arguments. Summa Theologiae, Question 2, Article 3. It seems that God does not exist, for if one of two contrary things were infinite, its opposite would be completely […]

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Thomas’ most significant work is his Summa theologiae or ‘summary of Theology,’ a gigantic work which attempts to present all of Christian theology as systematically as possible. Thomas worked on it from 1266 through 1273. Then, when he was nearly finished, he underwent an experience so intense that, as he himself explained, everything he had […]

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