Explainer
AI
Belief
Creed
5 min read

Whether it's AI or us, it's OK to be ignorant

Our search for answers begins by recognising that we don’t have them.

Simon Walters is Curate at Holy Trinity Huddersfield.

A street sticker displays multiple lines reading 'and then?'
Stephen Harlan on Unsplash.

When was the last time you admitted you didn’t know something? I don’t say it as much as I ought to. I’ve certainly felt the consequences of admitting ignorance – of being ridiculed for being entirely unaware of a pop culture reference, of being found out that I wasn’t paying as close attention to what my partner was saying as she expected. In a hyper-connected age when the wealth of human knowledge is at our fingertips, ignorance can hardly be viewed as a virtue. 

A recent study on the development of artificial intelligence holds out more hope for the value of admitting our ignorance than we might have previously imagined. Despite wide-spread hype and fearmongering about the perils of AI, our current models are in many ways developed in similar ways to how an animal is trained. An AI system such as ChatGPT might have access to unimaginable amounts of information, but it requires training by humans on what information is valuable or not, whether it has appropriately understood the request it has received, and whether its answer is correct. The idea is that human feedback helps the AI to hone its model through positive feedback for correct answers, and negative feedback for incorrect answers, so that it keeps whatever method led to positive feedback and changes whatever method led to negative feedback. It really isn’t that far away from how animals are trained. 

However, a problem has emerged. AI systems have become adept at giving coherent and convincing sounding answers that are entirely incorrect. How has this happened? 

This is a tool; it is good at some tasks, and less good at others. And, like all tools, it does not have an intrinsic morality. 

In digging into the training method for AI, the researchers found that the humans training the AI flagged answers of “I don’t know” as unsatisfactory. On one level this makes sense. The whole purpose of these systems is to provide answers, after all. But rather than causing the AI to return and rethink its data, it instead developed increasingly convincing answers that were not true whatsoever, to the point where the human supervisors didn’t flag sufficiently convincing answers as wrong because they themselves didn’t realise that they were wrong. The result is that “the more difficult the question and the more advanced model you use, the more likely you are to get well-packaged, plausible nonsense as your answer.” 

Uncovering some of what is going on in AI systems dispels both the fervent hype that artificial intelligence might be our saviour, and the deep fear that it might be our societal downfall. This is a tool; it is good at some tasks, and less good at others. And, like all tools, it does not have an intrinsic morality. Whether it is used for good or ill depends on the approach of the humans that use it. 

But this study also uncovers our strained relationship with ignorance. Problems arise in the answers given by systems like ChatGPT because a convincing answer is valued more than admitting ignorance, even if the convincing answer is not at all correct. Because the AI has been trained to avoid admitting it doesn’t know something, all of its answers are less reliable, even the ones that are actually correct.  

This is not a problem limited to artificial intelligence. I had a friend who seemed incapable of admitting that he didn’t know something, and whenever he was corrected by someone else, he would make it sound like his first answer was actually the correct one, rather than whatever he had said. I don’t know how aware he was that he did this, but the result was that I didn’t particularly trust whatever he said to be correct. Paradoxically, had he admitted his ignorance more readily, I would have believed him to be less ignorant. 

It is strange that admitting ignorance is so avoided. After all, it is in many ways our default state. No one faults a baby or a child for not knowing things. If anything, we expect ignorance to be a fuel for curiosity. Our search for answers begins in the recognition that we don’t have them. And in an age where approximately 500 hours of video is uploaded to YouTube every minute, the sum of what we don’t know must by necessity be vastly greater than all that we do know. What any one of us can know is only a small fraction of all there is to know. 

Crucially, admitting we do not know everything is not the same as saying that we do not know anything

One of the gifts of Christian theology is an ability to recognize what it is that makes us human. One of these things is the fact that any created thing is, by definition, limited. God alone is the only one who can be described by the ‘omnis’. He is omnipotent, omnipresent, and omniscient. There is no limit to his power, and presence, and knowledge. The distinction between creator and creation means that created things have limits to their power, presence, and knowledge. We cannot do whatever we want. We cannot be everywhere at the same time. And we cannot know everything there is to be known.  

Projecting infinite knowledge is essentially claiming to be God. Admitting our ignorance is therefore merely recognizing our nature as created beings, acknowledging to one another that we are not God and therefore cannot know everything. But, crucially, admitting we do not know everything is not the same as saying that we do not know anything. Our God-given nature is one of discovery and learning. I sometimes like to imagine God’s delight in our discovery of some previously unknown facet of his creation, as he gets to share with us in all that he has made. Perhaps what really matters is what we do with our ignorance. Will we simply remain satisfied not to know, or will it turn us outwards to delight in the new things that lie behind every corner? 

For the developers of ChatGPT and the like, there is also a reminder here that we ought not to expect AI to take on the attributes of God. AI used well in the hands of humans may yet do extraordinary things for us, but it will not truly be able to do anything, be everywhere, or know everything. Perhaps if it was trained to say ‘I don’t know’ a little more, we might all learn a little more about the nature of the world God has made. 

Article
Belief
Creed
6 min read

This pub chat brought us to tears

In the debris of the Enlightenment there’s a rising warmth to the mystical.
Four people sit round a pub table, some look animated, others pensive.
gaspar zaldo on Unsplash

I recently found myself sitting in an Oxford pub, crying with a man I barely know. And I wanted to tell you about it.  

How did we, two almost-strangers, find ourselves crying opposite each other?  

Well…  

Oh, gosh. How do I say this? We were crying because we were talking about Jesus. 

We’d both been spending the week at a gathering of academics in Oxford and one sunny afternoon, we, along with the other attendees, had wandered to one of Oxford’s effortlessly enchanting pubs. We ordered a couple of their finest IPAs and found ourselves perched next to each other. I quickly gauged that this guy doesn’t dabble in small talk, so, right there - sat in battered leather armchairs and surrounded by people - we spoke to each other about Jesus. Not in any kind of academic or philosophic manner; we just sort of shared what we think of him, what we feel about him, what we wonder about him.  

Ten minutes later, we had demonstrably leaky eyes.  

You see, my comrade in tears and I, we’re both Christians. Over the past two-thousand-ish years, that term has come to mean a number of things – it’s become a weighted word. But what I mean when I say that we’re both Christians, is that we love Jesus.  

That’s so weird to say, isn’t it? I’m resisting the urge to polish that definition up, to mop up the whimsy and make it more palatable for you. My instinct is to reach for an academic reasoning, a profound way to make what I just said sound less weird. But I’m going to resist. I’m just going to let that seemingly absurd truth blow in the wind.  

Can I let you in on something, though? Something a little vulnerable? I love Jesus, but I find him hard to talk to you about. One of two things tends to happen when I try, I get emotional, or I get embarrassed. Neither feels helpful. 

Let’s start with the embarrassment, because it’s easier to explain.  

We live in the debris of the Enlightenment. We’re materialists, rationalists, all that we see is all that there is-ists. We want certainty, we want prove-ability, we want to stand upon the solid ground of reason. We’ve spent the last century or two valuing cold, hard, facts – not warm, soft, inklings. We’ve repeatedly traded mystery for mastery.  And, because of all those things, we’ve ushered in secularism. That’s what we call ourselves, isn’t it? Secular? Those who have outgrown their need of a cosmic saviour, those who have finally burst free of the God delusion.  

This story, this event, it teaches me that everything can be mended, including me. 

This is my context as much as it is yours, and so, with all of that swirling around me – with secularism acting as the societal stage upon which I stand - my belief in Jesus is odd. I have spent my life feeling deeply unintelligent for believing that Jesus was all that he said he was, I can’t deny that. Secular culture has often had me feeling as though I’ve pulled up a chair, ready and excited to play the game of life, only to find that I hold an old set of instructions. Secularism screams at me, points at me, makes me feel as though I’m wearing an outfit that went out of fashion two seasons ago. And so, much to my shame, I get embarrassed. I play its game, a game I wasn’t designed to play, and I lose.  

And then there’s the specificity of Jesus, right? 

Even in the corners of culture where secularism is losing its grip and there’s a rising warmth to the transcendent, mystical, unexplainable things – there’s still a guard up when it comes to religion. In many cases, rightly so. People tend to feel more comfortable in the ‘spiritual, not religious’ camp. There’s something self-preserving about allusivity, isn’t there? Saying that I believe in Jesus strips me of that luxury – my association with him means that I’m also associated with two billion other people, and that can be disconcerting. It means I have little control over how I’m perceived by you, nor how I’m represented by them. It also means that my experiential spirituality is housed within a specific story, a framework, a tradition – I don’t get to pick and choose. It’s an all-in kind of thing.   

So, every time someone who doesn’t know Jesus wants to talk to me about him – someone like you, perhaps - all of the above does its best to shut me up. It mostly wins and I mostly fail you. If – on occasion – I am able to rip the tape of self-consciousness from my mouth, I get frustratingly emotional. And that reaction is slightly harder to explain.

I don’t interact with Jesus as a metaphor, an archetype, or a symbol. You may think me delusional, but I’ve decided to take him at his word, to live as if he was everything that he said he was – fully God, fully human, the whole she-bang. And I take the same approach to Easter – the festival that celebrates the thing I believe to be the truest – Jesus’ resurrection. His death and subsequent un-death, what T.S. Eliot calls: ‘the still point of the turning world’. What Dr Martin Shaw regards as ‘the most extraordinary act of love, so catastrophic in its beauty, we’re still in shock two thousand years later’. 

The realness of it all moves me. It, just as Martin has diagnosed, shocks me. This story, this event, it teaches me that everything can be mended, including me. It brushes against my deepest longings, it silences my loudest fears. And Jesus, the God-Man at the centre of it all? I feel the truth of him in my bones, his love courses through my veins, his friendship makes my eyes sting.  

I feel silly saying all of that – knowing how such sentiments have no home in the secular world we’ve built up around ourselves. And so, I feel paralysed by the need to boil it all down to ‘five facts that prove the resurrection happened’. But I just can’t seem to master it.  

Instead, I wonder if it’s alright that the truth of the event is found in two near strangers inexplicably crying in a pub. Two near strangers being unspeakably moved by the real-ness, the here-ness of a man who was executed two-thousand years ago. Two near-strangers who – despite it going against their (or, at least, my) self-aware sensibilities - were forced to accept that their tears picked up where their words had left off.  

Is that kind of proof acceptable to you? After-all, I’ve never known of someone to weep over a good metaphor, an intelligent myth, or a profound philosophy.  

I’m not opposed to placing the claims of Christianity under the microscope, indeed, I do it myself (when you’re not around, obviously). I’m simply opposed to it being the only means by which we can assess its truth. Afterall, I’m never more certain of its truth than when the only thing I have to show for it is an embarrassing display of tears.  

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