Article
Belief
Christmas culture
Creed
Wisdom
5 min read

How to have a philosophically happy Christmas

Raise a glass to the invasion of history by the author of history.

Professor Charles Foster is a Fellow of Exeter College, Oxford, and a member of the Oxford Law Faculty.

A fish eye lens view of a person standing silhouetted, looking up to a colourful night sky with the Milky Way across it
Greg Rakozy on Unsplash.

A few years ago, I had dinner with a well-known philosopher. Knowing that he is no friend of religion, and curious how he’d respond, I set about mocking the credulity of Christians and parroting the lines I’d so often heard: superstition degrades and obfuscates; let’s act and think like grown-ups, not craven children; we’re free to write our own rules, and we can write better rules than barbarous Levantine goat-herders; we’re brave enough to say that when we die we rot. And so on. The standard fare.  

He looked at me over the top of his glass. ‘Have you never been taught’, he said acidly, ‘that if you destroy the premises of an argument, the argument collapses? The same is true of history.’ 

I’ve slowly learned that he was right.  

‘What have the Romans ever done for us?’, asked John Cleese, as the leader of the People’s Front of Judea. He’s famously answered by his troops. The modern version of the question, which is just as embarrassing, is ‘What have the Christians ever done for us?’  The historian Tom Holland, not (as far as we know) himself a professed Christian, has made a good living by providing a long and meticulously documented list. I’m not going to review it here.  My own personal list would include Chartres Cathedral, Paul’s tectonic notion that there is ‘neither Jew nor Greek, slave nor free, male nor female’ (and hence universal human dignity and suffrage), and Christmas

The Christians say that Christmas is the commemoration of a historical fact: an invasion of history by the author of history; of creation by the creator.  

This is too much for many to swallow.  If that’s true for you, is it dishonest to celebrate Christmas? 

A mathematician friend works on imaginary numbers. An imaginary number is a real number multiplied by the ‘imaginary unit’, i. i2 = -1, and so i = √-1. Think about it. It’s an impossibility. It’s absurd. Descartes talked about ‘imaginary numbers’ only to laugh at the idea. But they are enormously useful in real life. You are reading this on a phone or computer screen courtesy of imaginary numbers. Sometimes it’s worth suppressing, or at least muting, a contemptuous laugh. Tom Holland’s list, and mine, depend on theological and historical numbers that might (or might not) be imaginary. You don’t have to stop dubbing the numbers ‘imaginary’ – don’t stop having to call them ludicrous – to carry on reading your screen.  

Christmas, for me, is a celebration not only of family, gluttony and intoxication, but of four facts (if the Christians are historically correct) and four principles which are generated by those facts - whether the facts are real or imaginary. The principles work, just as my computer screen does. 

First: human agency is cosmically colossal. The invasion I mentioned above was invited (so preventing it from being rape) by a Palestinian Jewish girl. She could have said ‘No’, and so scuppered the whole project.  

Second: Christmas drafts a completely new account of power. In the Christian story of Easter, all the powers of darkness are disarmed by one broken man dying on a piece of wood between dying criminals. It was a continuation of the story that began at Christmas: the birth, in a shitty stable, to a teenage mother accused of fornication, of a child soon to be a refugee, driven to another country to escape the murderous authorities. It’s all about the subversion of political and military power by the irresistible power of the powerless.  

Third: the universe is surprising. Nobody predicted the invasion. Yes, I know the Christians say, with the confidence given by the retrospectocope, that there were hints in the Hebrew scriptures, but they weren’t seen at the time, and the most learned Jews today, even with the retrospectoscope, still don’t see them. Yes, I know that the ancient world was awash with tales of the impregnation of mortals by gods, and with virgin births (think of Dionysos, Attis, Romulus and Remus and many others). But they didn’t look remotely like this. Those tales were told to prop up conventional claims to power, not explode them. Bethlehem burst onto the blind side of history, injecting unforeseen possibility. The virgin conception smashed pre-conceptions. A new way of being had gestated. If that was possible, what wasn’t?   

Fourth: The most revolutionary thing about Christmas, perhaps, is that it shows that mythos is real – part of the web and weave of reality.  

After dinner at Magdalen College, Oxford, on 20 September 1931, J.R.R. Tolkien, C.S. Lewis and Hugo Dyson walked together along Addison’s Walk, part of Magdalen’s grounds. They were discussing the resurrection of Jesus. Lewis knew all about the ubiquitous tales of dying and rising gods. The Christian resurrection stories were no different, he said. They were poetically resonant, no doubt, but essentially ‘lies and therefore worthless, even though breathed through silver.’ 

‘No’, said Tolkien. ‘They are not lies,’ There was a sudden rush of wind in the still night. In Lewis’s rooms the conversation continued into the early hours. The stories were indeed myths, Tolkien contended, but true myths.  

This conversation propelled Lewis finally into Christianity.   

The Christmas story suggests that Tolkien was right (and those notoriously mystical quantum physicists – some of the most adept handlers of imaginary numbers, by the way - are right): there is no robust boundary between history and legend, between physics and metaphysics, between matter and spirit. This, in fact, is our working assumption, whether we’re explicitly religious or not. However icy our reductionism, we think that we matter, that there is more than matter, and that whatever that ‘more’ is, it is heavier and more enduring than matter, and matters more than matter. We love our children far more than reciprocal altruism or kin selection suggests we should. However sturdy our atheism we dab our eyes at the St Matthew Passion and put flowers on our parents’ graves.  

It is reassuring to have a festival which enjoins us to lift our glasses and toast the way we live when we’re being the kind of people we urge our children, our friends and our politicians to be. It commands us to admit mystery to the dining table, and to celebrate being as mysterious as we know we are.  

Christmas, authentically celebrated, is part of the foundation on which rest Chartres cathedral, freedom, suffrage, dignity and many things we innocently and dangerously take for granted. Like it or not, that foundation, as the austere philosopher observed, is the premise of the argument for the civilization that until recently succoured us before we replaced it with – well, with what?  

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Interview
Belief
Creed
Leading
S&U interviews
9 min read

The quantum of leadership: how to flourish in science

Resolving the big questions - a conversation with Andrew Briggs, quantum technology pioneer.
A professor stands next to experimental equipment.
Andrew Briggs beside quantum research equipment.

Professor Andrew Briggs has been at the forefront of quantum technology for decades, pioneering the use of AI and machine learning in quantum computing. Two technologies that will shape our world. 

Andrew has been a leader in a demanding and cutting-edge academic field. In this interview the Oxford-based academic shares his insights on how to lead scientific endeavours and flourish in life. 

Pawel Puczkarski: We meet on Northmoor Road, which, more than any other street, embodies the spirit of Oxford. 

Michał Łuczewski: I sense here the presence of all souls. 

Andew Briggs: Indeed! The Tolkien family first lived at number 22 before moving next door to number 20. Just opposite, in the garden shed of number 27, is where Sir Martin Wood built the first magnets for what was to become Oxford Instruments. Another neighbour was Sir Roger Bannister, the first man to run a mile in under four minutes. 

MŁ: High culture, big business, top sports. What about science? 

AB: Just across the street, Sir Rudolf Peierls spent his final years. He transformed our understanding of nearly every application of quantum theory, including materials science and nuclear energy. Nearby, Erwin Schrödinger was living at number 12 when he received the news that he had won the Nobel Prize; he later moved to number 24. It was also here that he conceived his famous Schrödinger’s cat thought experiment, which illustrated the fundamental insight of quantum physics—that quantum objects can exist in two states at once. The inspiration for the fictitious cat—both dead and alive—was quite alive. Schrödinger’s own cat was allegedly called Milton 

MŁ: What is your main driver in your manifold leadership roles? 

AB: The desire to contribute. And pure curiosity. I am absolutely fascinated by big questions. 

PP: What’s the biggest question that remains for you unanswered? 

AB:  I suppose it might be, “How can I be more loving?”  

MŁ: That’s a big question, how about big answers? 

AB: One thing I’ve learned over time is the ability to live with unresolved big questions while maintaining the curiosity to understand them better. Take quantum physics. Among scientists, there’s still no agreement on what exactly happens during the act of measuring a quantum system. And measurement is the most basic thing we do in experimental science. So, are we being intellectually irresponsible? Now take prayer. I don’t think there’s consensus among people who pray about what exactly happens when they do. I certainly don’t yet have a fully satisfactory answer. But I long for better understanding. Quantum technologies have too much potential to walk away from the mystery. Likewise, prayer is too important to abandon simply because I don’t fully comprehend it. 

MŁ: What is your own understanding of prayer, then? 

AB: Prayer is about developing a relationship with God, just as conversation is part of building relationships with people. Of course, relationships involve more than conversation. But if you never talk to someone, you’re probably missing out on something. There are many ways to engage God. It is our love for God and our experience of His love. Being kind to people is part of our love relationship with God. 

MŁ: How come such a hard-nosed scientist like you speaks about God so openly? 

PP: It brings to mind a story that stretches across more than a century. In 1874, physicist James Clerk Maxwell founded the Cavendish Laboratory in Cambridge. Carved on its entrance doors, he placed a passage from Psalm 111 in Latin. 

AB: As the first Cavendish Professor, Maxwell personally oversaw every aspect of the lab's creation. He was a man of deep Christian faith.  

PP: Fast forward to 1973—you, as a young research student, proposed to the departmental committee carving the same quote in English above the entrance to the new Cavendish Laboratory: 'The works of the Lord are great, sought out of all them that have pleasure therein'

AB: To the Head of Department’s surprise, the committee not only did not reject my audacious idea, but they enthusiastically supported it.  

MŁ: Another half-century passed… 

AB: And that quote still serves as a motto for the next generation—it suggests that those inside the laboratory are discovering how God makes the world work, and that this pursuit is deeply joyful. Science is a God-given resource for faith and for the work of the Church. If the Church is here to serve the world, it must engage with the world as it is. For example, during the pandemic, scientific knowledge was essential in caring for people at risk. Conversely, faith offers wisdom and a voice in public discourse. 

MŁ: What does leadership personally mean for you? 

AB: Leadership, whatever its tools or styles, is ultimately about choosing what values to lead with. You can exercise leadership in many areas. Each of us does it in our own way, within our sphere of influence, using our unique talents. I'm distinguishing between the tools of leadership—whether oratory, intellect, money, or whatever—and the deeper question of which direction you want to lead. The real question is: What kind of leadership will you exercise? 

MŁ: Is that where my responsibility lies? 

AB: Yes, and to implement that responsibility using whatever talents and opportunities we have. If you're a professor at Oxford, you have to excel in your field. But Oxford is full of opportunities beyond academia, and I feel both a responsibility and a pleasure in engaging with the wider implications of my work. 

PP: You were deeply involved in the rapid development of quantum technologies and quantum information processing, within the evolving landscape of Oxford itself. We're no longer solely a research university. There's been a growing emphasis on scientific entrepreneurship and spinning out companies. 

AB: You're absolutely right–it's been a significant cultural shift at the university. In 2021, in my lab we realized that many people wanted to use our techniques, but we had reached the limit of our capacity to help others from our own resources. As academics, we love collaborating and helping, but we hadn’t even begun to meet the commercial need. So, we worked with Said Business School to conduct market research, which confirmed there was a viable market. That’s when we spun out the company, QuantrolOx. 

MŁ: In his recent book From Strength to Strength, Arthur Brooks argues that our careers will end much sooner than we expect and asks how we should prepare for that. It seems you’ve figured that out. You seem to go from strength to strength

AB: Arthur is a valued friend. He spoke at the U.S. launch of the Human Flourishing book in Harvard. And was kind enough to host the U.S. launch of Penultimate Curiosity, the book I co-authored with the eminent artist, Roger Wagner.  

PP: I see his painting behind us. 

AB: Yes, Roger used to have his studio in this house. As you might have noticed, Arthur has been lately placing more and more emphasis on the role of faith for human happiness. 

MŁ: Through his works, Brooks has been undergoing a kind of spiritual conversion. He makes it clear now that the goal of life is happiness and human flourishing, which starts with meaningful work, friends, family and most importantly - faith. For him personally means renewing his Catholic faith daily, moment by moment

AB: And he’s been speaking about that in a way that is completely genuine and comes from the heart. 

MŁ: I think there’s a similar kind of scholarly conversion in your life, where Christian renewal meets the Greek ideal of kalokagathia—the unity of the transcendentals, also reflected in your books. Penultimate Curiosity explores beauty. It Keeps Me Seeking explores truth. Citizenship in a Networked Age explores justice. And beauty, truth, and justice find their unity in your last book: Human Flourishing. How do you see your life? 

AB: I want to keep contributing for as long as I have the energy and the wherewithal. But life is nonlinear and stochastic. 

MŁ: Professor, pray elaborate! 

AB: We make choices and we are subject to events each of which could have been otherwise, and the consequences are often out of all proportion to the causal factors. Randomness is fundamental in quantum theory where the uncertainty is very mathematically rigorously described. I sometimes wonder if today’s rising generation struggles with stress because they expect too much control over their own destiny. 

MŁ: No doubt. 

AB: And that’s where Providence comes in. What traditional spiritual English calls Providence—from the same root as to provide—is, I believe, essential to making sense of a world that is both stochastic and nonlinear. This confidence in Providence, in the idea that we can navigate a world that is chaotic and still thrive, is profoundly important. If you look at the Gospels, when Jesus called people to follow him, they took a risk. They could have been wrong, following someone who was a spoof, but they made a decision—and it turned out to be a good one. And I think it's true of deciding to follow Jesus Christ. Could I be wrong? I suppose so. I don't think I am, but I could be. I don’t have certainty, but I choose. 
 
MŁ: And how do you know it? 

AB: Think of flying. You prepare as much as you can, but unexpected situations always arise. Air traffic control sometimes tells you what to do, but mostly, they ask what your intention is. You can’t hesitate when you're flying a plane. You can't just say, well, I'm not going to decide. That's not an option. You try to make them safe choices. You try to make them wise choices. But you have to make choices. Same with life. Thinking is good. But thought must lead to action. Some say I live my life by my transferable flying skills! 

MŁ: And your final destination? 

AB: Heaven, I hope. I believe this life isn’t all there is. I believe in a future with Trinity—Father, Son, and Holy Spirit—free from pain and suffering. The risk is to focus too much on going to heaven. I think the emphasis should actually be on the other direction: heaven coming to us. 'Thy Kingdom come!' That gives dignity to this world. 

MŁ: This conversation was a foretaste of a heavenly banquet! 

AB: More like Spanish tapas—small plates, not a grand feast. 

PP: A series of little courses? 

AB: Exactly. And when you write this up, make it look like there was a plan. 

MŁ: In your nonlinear, stochastic life, we’ve already found a hidden pattern. A kind of Da Vinci Code of Andrew Briggs. 

AB: And the code is…? 

PP: Have you ever thought about combining your book titles into a life motto? Imagine it inscribed over your Northmoor Road house: Penultimate Curiosity… Keeps Me Seeking… Human Flourishing

AB: Perfect! I love it. That’s my code. 

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