Pub Theology 1/20/26 -- The arc of the moral universe

Peter Trumbore • January 19, 2026

It has been our practice in recent years to try to build our discussion around the words  of the Rev. Dr. Martin Luther King, Jr. whenever our conversation falls around the celebration of his birthday. This seems especially appropriate this year given the events unfolding in Minneapolis and elsewhere since the start of the new year. 


This time we're going to focus on the idea referenced in our illustration above. This is often misquoted as "the arc of the universe ..." which leaves out King's important qualifier, the "moral," universe, not the universe more generally. Before we did deeper, what do you think is the key difference or differences between the two ideas, the universe generally vs. the moral universe?  


King used this quote many times in his sermons and speeches, and according to Stanford University historian Clayborn Carson, he borrowed it from 1850s abolitionist Theodore Parker. In fact, King drew quite heavily on the oratorical tradition of the early abolitionists, bringing their words and sentiments to bear in the 1960s struggle for civil rights. But what are they getting at here? Is the idea that while things may be bad now, if we wait long enough the scales will tilt to the side of justice? Or is it not that simple.


What this little snippet of a quote does not do, is give any suggestion as to how the arc of the moral universe bends. Or what is required to make it do so. So what do you think? If the arc of the moral universe ultimately bends toward justice, by what mechanism or mechanisms does it do so? And what is our role in that process? Now that I think about it, this train of thought is kind of a continuation of something we landed on last week in our discussion of hope.


James McGrath, a professor of New Testament language and literature at Butler University, addresses things this way:


"The arc of the universe may bend towards justice, but it certainly does not do so in a steady and straight line. Precisely because of the slow but real progress ... the racists, misogynists, antisemites, Islamophobes, and homophobes are offering a backlash. Progress towards equality has always involved a process like this. It is important to emphasize that, because those of us who are living through this particular moment can feel like these are unprecedented times."


Join us for the conversation this week as we talk about the arc of the moral universe and how it bends. And if this isn't a meaty enough topic, here's one more MLK quote that we can chat about if we have the time:


"If any earthly institution or custom conflicts with God’s will, it is your Christian duty to oppose it. You must never allow the transitory, evanescent demands of man-made institutions to take precedence over the eternal demands of the Almighty God." The only trick here, of course, is figuring out what does and does not conflict with God's will, and who decides.


Come out of the cold this Tuesday evening, Jan. 20, and let us know what you think. The discussion starts at 7pm at Irish Tavern in downtown Lake Orion.

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