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The Thomistic Institute

Reprobation and Permission of Sin – Prof. Thomas Osborne

The Thomistic Institute

The Thomistic Institute

Catholic Intellectual Tradition, Catholic, Thomism, Society & Culture, Religion & Spirituality, Catholicism, Philosophy, Christianity

4.8873 Ratings

🗓️ 18 December 2025

⏱️ 46 minutes

🧾️ Download transcript

Summary

Prof. Thomas Osborne explains reprobation and the permission of sin in Thomas Aquinas as the asymmetrical counterpart to predestination, where God positively causes the grace and merits leading the elect to glory but only permits the sins of the reprobate without ever willing or causing moral evil, thus safeguarding both divine justice and human responsibility.​


This lecture was given on September 6th, 2025, at Dominican House of Studies.


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About the Speakers:


Thomas M. Osborne, Jr. (Ph.D, Duke University, 2001) is the Frank A. Rudman Endowed Chair in Philosophy and the Chair of the Department of Philosophy at the University of St. Thomas.  He has published widely on Thomas Aquinas, Thomism, and medieval and late scholastic philosophy.  His interests cover moral psychology, ethics, political philosophy, and metaphysics. His latest book is Thomas Aquinas on Virtue (Cambridge University Press, 2024).


Keywords: Augustinian Theology of Grace, Calvinist Double Predestination, Divine Justice and Eternal Punishment, Divine Providence and Human Freedom, Grace, Negative and Positive Reprobation, Predestination and Foreseen Merits, Salvation, Sin

Transcript

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0:00.0

Welcome to the Tumistic Institute podcast. Our mission is to promote the Catholic intellectual tradition in the university, the church, and the wider public square.

0:12.0

The lectures on this podcast are organized by university students at Tumistic Institute chapters around the world. To learn more and to attend these events, visit us at

0:21.6

to mystic institute.org.

0:23.6

So we're hoping that it will be a pleasure to talk about reprobation today.

0:29.6

That's what he's saying. But it is an important topic. It's the counterpart to

0:36.6

predestination in a way, but not parallel. So it's

0:43.2

very important. And in fact, by understanding predestination better, you know more about what

0:48.0

reprobation is. By thinking about reprobation, you can understand predestination better.

0:57.6

So what is predestination?

1:01.0

And what is reprobation?

1:05.8

In text one of your handout, we have a quote from St. Thomas.

1:20.9

Just as predestination is a part of providence with respect to those who are divinely ordered to eternal salvation, so reprobation is a part of Providence with respect to those who fall away from dissent.

1:32.3

Hence, reprobation does not signify poor knowledge alone, but adds something according to reason, just as Providence does, as was said above.

1:47.0

Just as predestination includes the will of conferring grace and glory, so reprobation includes the will to permit someone to fall into guilt, and to inflict damnation on account of the guilt. So, we've got two different but related notions.

1:58.0

Predestination, God wills to save somebody individually, then God gives them the means

2:07.1

and causes the meritorious acts, right? Not all meritorious acts are in the predestine, strictly

2:16.6

speaking, right?

2:17.6

I mean, a lot of times we may be meritoriously here

2:21.6

offering up the pain of having to listen to people, you know,

2:26.2

but then what happens?

2:28.2

Well, 20 years down the road, we're in the nursing home

2:31.9

and all of our merits disappear and we die in mortal sin,

...

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