It's our mistakes that make us human

What we learn distinguishes us from tech.

Silvianne Aspray

Silvianne Aspray is a theologian and postdoctoral fellow at the University of Cambridge.

A man staring at a laptop grimmaces and holds his hands to his head.

Francisco De Legarreta C. on Unsplash.

The distinction between technology and human beings has become blurry: AI seems to be able to listen, answer our questions, even respond to our feelings. It becomes increasingly easy to confuse machines with humans. In this situation, it is increasingly important to ask: What makes us human, in distinction from machines? There are many answers to this question, but for now I would like to focus on just one aspect of what I think is distinctively human: As human beings, we live and learn in time.

To be human means to be intrinsically temporal. We live in time and are oriented towards a future good. We are learning animals, and our learning is bound up with the taking of time. When we learn to know or to do something, we necessarily make mistakes, and we take practice. But keeping in view something we desire – a future good – we keep going.

Let’s take the example of language. We acquire language in community over time. Toddlers make all sorts of hilarious mistakes when they first try to talk, and it takes them a long time even to get single words right, let alone to try and form sentences. But they keep trying, and they eventually learn. The same goes with love: Knowing how to love our family or our neighbours near and far is not something we are good at instantly. It is not the sort of learning where you absorb a piece of information and then you ‘get’ it. No, we learn it over time, we imitate others, we practice and even when we have learned, in the abstract, what it is to be loving, we keep getting it wrong.

This, too, is part of what it means to be human: to make mistakes. Not the sort of mistakes machines make, when they classify some information wrongly, for instance, but the very human mistake of falling short of your own ideal. Of striving towards something you desire – happiness, in the broadest of terms – and yet falling short, in your actions, of that very goal. But there’s another very human thing right here: Human beings can also change. They – we – can have a change of heart, be transformed, and at some point in time, actually start to do the right thing – even against all the odds. Statistics of past behaviours, do not always correctly predict future outcomes. Part of being human means that we can be transformed.

Transformation sometimes comes suddenly, when an overwhelming, awe-inspiring experience changes somebody’s life as by a bolt of lightning. Much more commonly, though, such transformation takes time. Through taking up small practices, we can form new habits, gradually acquire virtue, and do the right thing more often than not. This is so human: We are anything but perfect. As Christians would say: We have a tendency to entangle ourselves in the mess of sin and guilt. But we also bear the image of the Holy One who made us, and by the grace and favour of that One, we are not forever stuck in the mess. We are redeemed: are given the strength to keep trying, despite the mistakes we make, and given the grace to acquire virtue and become better people over time. All of this to say that being human means to live in time, and to learn in time.

So, this is a real difference between human beings and machines: Human beings can, and do strive toward a future good.

Now compare this to the most complex of machines. We say that AI is able to “learn”. But what does it mean to learn, for AI? Machine learning is usually categorized into supervised learning, unsupervised and self-supervised learning. Supervised learning means that a model is trained for a specific task based on correctly labelled data. For instance, if a model is to predict whether a mammogram image contains a cancerous tumour, it is given many example images which are correctly classed as ‘contains cancer’ or ‘does not contain cancer’. That way, it is “taught” to recognise cancer in unlabelled mammograms. Unsupervised learning is different. Here, the system looks for patterns in the dataset it is given. It clusters and groups data without relying on predefined labels. Self-supervised learning uses both methods: Here, the system uses parts of the data itself as a kind of label – such as, for instance, predicting the upper half of an image from its lower half, or the next word in a given text. This is the predominant paradigm for how contemporary large-scale AI models “learn”.

In each case, AI’s learning is necessarily based on data sets. Learning happens with reference to pre-given data, and in that sense with reference to the past. It may look like such models can consider the future, and have future goals, but only insofar as they have picked up patterns in past data, which they use to predict future patterns – as if the future was nothing but a repetition of the past.

So this is a real difference between human beings and machines: Human beings can, and do strive toward a future good. Machines, by contrast, are always oriented towards the past of the data that was fed to them. Human beings are intrinsically temporal beings, whereas machines are defined by temporality only in a very limited sense: it takes time to upload data, and for the data to be processed, for instance. Time, for machines, is nothing but an extension of the past, whereas for human beings, it is an invitation to and the possibility for being transformed for the sake of a future good. We, human beings, are intrinsically temporal, living in time towards a future good – which machines do not.

In the face of new technologies we need a sharpened sense for the strange and awe-inspiring species that is the human race, and cultivate a new sense of wonder about humanity itself.

Mapmaking our meaning in a modern world

Real ‘reasoning’ happens only when we have learned to trust one another.

Rowan Williams

A hand holds a pen over a map, at the side is closed journal and colour pencils.

Oxana v on Unsplash.

People first began to think about theology not because they were looking for intellectual stimulus or solutions to abstract problems, but because they found themselves living in an unsettling and vastly expanded ‘space’. They were conscious of new dimensions in their connection with each other, new dimensions in coping with their own fear, guilt, despair, a new sense of intimate access to the limitless reality of God. They connected these new experiences with the story of Jesus of Nazareth, executed by the Roman colonial government, reported by his closest friends as raised from death and present with them and their converts in the communication of divine ‘spirit.’ As we read Christian scripture, we are watching the first generations of Christian believers trying to construct a workable map of this unexpected territory.

When I started writing the assorted pieces that make up the little book on Discovering Christianity (published earlier this year), my hope was above all to convey something of this sense of Christian thinking as a process of mapmaking in a new and bewildering landscape. That’s why one chapter – originally drafted for a Muslim audience – tried to list some of the things that an interested observer might spot in looking from outside at the habits of Christian believers: not first and foremost their spectacular and uniform embodiment of unconditional divine love (if only), but just the sorts of things they said and did, the sort of language used about Jesus, the rituals of induction and belonging. Indeed, if there is one biblical text I had in mind in virtually all the chapters, it is the simple phrase, ‘Come and see’ that Jesus uses in St John’s gospel when he is first followed by those who will become ‘disciples’, literally ‘learners.’

‘Come and see’. When we use language like that in everyday life, we’re encouraging others to share something that has excited or troubled us (or both). It’s not a proposal for solving a problem. It’s not even a recruitment campaign. It’s an invitation to stand where someone else is standing and look from there. In the rich symbolic context of John’s gospel, it’s about sharing Jesus’ ‘point of view’ – which is, as we’re told right at the start of the gospel, a point of view unimaginably close to the heart of eternal life and reality itself.

We can only see in this way when we move away from our ordinary perceptions a bit. Just as we can only learn to swim when we have jumped into the water, so we shan’t learn what faith is all about until we have been prodded by whatever forces around us to take the risk of trusting that (so to speak) the ground is going to hold beneath us if we step forward (I like to speak sometimes about discovering what images, ideas, perspectives and relations are ‘load-bearing’ in our lives).

So part of the invitation is also about telling the stories of those who have taken that kind of risk and what sort of lives they have shaped for themselves in the light of it. There is little point in summoning others just to share my individual set of feelings. But there is perhaps more weight is saying, ‘A lot of people have felt this shape beneath the surface, this grain running through things.’ Which is why – as the book seeks to explain – theology works with the ‘classical’ shared texts that most Christian communities found themselves reading together in the first hundred years after Jesus; and works also with the history of the arguments and diverse perceptions that reading brought into focus.

We read and think in company; our theological reflection like the rest of our lives of faith is a shared, ‘conversational’ affair.

It's not unknown outside theology. We have become so much more interested over the last few decades in how to understand works of art not just in terms of what the artist ‘meant’, but in terms of what the actual work does or makes possible. What world does it create? So we read the Bible, obviously, but we also read the readers of the Bible (think of the Jewish Talmud, with the original text of its classical legal discussions literally surrounded on every page by the arguments that this text has generated). We read and think in company; our theological reflection like the rest of our lives of faith is a shared, ‘conversational’ affair. And so along with reading the Bible and immersing ourselves in the history of what sense others have made of the basic text and story, we also bring to bear the sorts of things that are part of our current conversations in society and culture – the habits of ‘reasoning’ that we have picked up.

There is an important difference between talking about ‘reason’ as a sovereign, detached capacity and talking about ‘reasoning’, the range of processes and practices that carry forward a common life of intelligent learning (and that learning may be at any level of supposed ‘intellectual’ capacity; once more, it’s not about abstractions). Our society these days is fairly comprehensively confused about this: we have a mythological picture of some supremely obvious way of arguing that allows for no final dispute; we call it ‘science’; and then we expect the impossible of it and are disillusioned and sceptical when it can’t give us absolutely certain answers. One of the many ironies of our society is that we are besotted with ‘science’ and at the same time fascinated by the idea that there are many ‘truths’, or else suspicious that apparently objective sources are actually controlled by other interests. Real ‘reasoning’ happens only when we have learned to trust one another’: a long story, but an all-important element in our human discovery.

Bible, tradition, human reasoning – those are the tools we bring to this job of mapmaking. The book is really just a meditation on those words, ‘Come and see’, as the basis of Christian thinking. At the centre of everything is a set of very ambitious claims about what God is like – and what we are like. Part of what we’re invited to ‘come and see’ is ourselves. Once again it’s not unlike what happens in a really good play or film, when we go away conscious that we have seen not just someone else’s story but something fresh about our own selves.

And my greatest hope for the book is that it may prompt someone to look a bit harder, to listen in to how Christians talk – and in that moment find that they recognize what’s being said in some complicated and untidy way. One of the most vivid characters in the gospel I’ve been quoting says of Jesus that he has told her everything she has ever done. I hope that those who are moved to investigate a bit further will come to that same unsettling and exciting point where they see themselves freshly, and the new landscape begins to unfold.

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