Article
AI
Comment
4 min read

It's our mistakes that make us human

What we learn distinguishes us from tech.

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.  

Column
Assisted dying
Care
Comment
4 min read

Proposed euthanasia safeguards insult our NHS

We must defend a collective sense of care and generosity.

George is a visiting fellow at the London School of Economics and an Anglican priest.

A gable end mural depicts a nurse in scrubs and a mask turning and looking towards the viewer.
A mural of an NHS nurse during COVID, Manchester.
Mural Republic

It was, I believe, the late political satirist Simon Hoggart who coined the Law of the Ridiculous Reverse, which held that, if the opposite of a statement is plainly absurd, then it was not worth making in the first place.  

This law comes to mind when Labour MP Kim Leadbeater promises that her Assisted Dying Bill will have the “strictest safeguards in the world”, one of which is that those patients who have ordered their fatal dose “would be allowed to change their mind at any time.”   

Where, exactly, has it ever been suggested that an individual, having asked for an assisted death, would not be allowed to change their mind? I’m just wondering which legislator or medical professional has proposed that once a lethal draught has been prescribed then there is no turning back.  

I’m struggling to picture the circumstance in which a terminally ill patient is pinned down and killed, the last words that they hear being: “I’m sorry Mrs Simpkins, but everyone’s gone to a lot of trouble. You asked for it and you’re jolly well going to get it.” 

This is important because, apparently, being able to change your mind about asking for help to kill yourself is one of the strictest safeguards in the world. I hope Ms Leadbeater will forgive me for pointing out that this doesn’t really stack up. 

 And what’s serious about it is that it’s also a massive straw man argument. The clear and rather devious implication is that one of the arguments being made against the introduction of an assisted suicide law is that patients won’t be able to change their minds about it, which I think we can all accept simply isn’t a fact at all. It’s absurd – a Ridiculous Reverse. 

So I’ll defend the NHS with a religious fervour. To my mind, healthcare is a holy mission. We meddle in law with the Hippocratic Oath at our very deep peril. 

It’s also hugely contemptuous of the medical profession in general and rude to the NHS in particular. That’s because there’s a snide impression behind Leadbeater’s comment there may be hundreds of budding Harold Shipman out there, but her powerful safeguards are going to protect us from them. 

We’re in danger of becoming inured to this kind of insult from politicians directed at the NHS. And it’s worth exploring why they might think we need to be protected from unscrupulous doctors and nurses. In this case, one possible reason is that the NHS isn’t being particularly helpful in giving the euthanasia enthusiasts what they want. 

Doctors and their staff have plenty of ethical objections to assisted suicide. But leave those aside for a moment. At the practical level, the NHS has made it clear that it doesn’t have the infrastructure to operate a policy of assisted deaths safely. And it can’t afford to set one up. So a government that introduces assisted suicide is going to have to organise and regulate its own assisted death agency. 

“Oh,” the assisted dying lobbyists seem to exclaim, “we’d presumed you’d do as you’re told.” Just hand out the hemlock. Take your instructions from the legislature. 

But the NHS is better than that. And it’s that kind of high principle that so infuriates feckless politicians. It was the late Nigel Lawson who said, somewhat ruefully, that the NHS “is the closest thing the English have to a religion”. The right wing of politics regularly tells us it’s time to renounce that religion. 

To worship the NHS as a religion would, literally, be idolatrous. But it’s not so to acknowledge its religious qualities. Just look at the word – the Latin religio means something like “good faith”, the essence of who we are, what makes us good. 

The NHS, in its post-war incarnation, has been central to who we are as a people and what defines us. It’s something to do with our collective sense of care and generosity to one another. Its members, like our national Church, make up a single body. 

This is not to co-opt the NHS as the medical wing of the Church. It’s no part of the NHS’s brief to proselytize – rather the reverse; Christian medical staff have been in deep disciplinary trouble for evangelising. It is a profoundly secular organisation. 

So the NHS emphatically isn’t in the business of propagating the gospel. But that’s not to say that we can’t be in the same business. Many priests have stories of their most affirming work being in the company of people of other faiths or of none. 

The NHS’s proud heritage is to offer treatment free to anyone at the point of access. Put another way, it will seek to heal anyone who comes to it. I make no apology for saying that sounds familiar. 

So I’ll defend the NHS with a religious fervour. To my mind, healthcare is a holy mission. We meddle in law with the Hippocratic Oath at our very deep peril. 

And when NHS professionals tell us where we can stick our assisted suicides, I respectfully suggest we give it our solemn attention, rather than patronisingly offering a Law of the Ridiculous Reverse.