Explainer
Belief
Creed
4 min read

Beyond cold certainties

The Creeds set out a vision of reality – a vision that cannot be proved to be true, but which was found to be true by a community of people.

Alister McGrath retired as Andreas Idreos Professor of Science and Religion at Oxford University in 2022.

A red shutter door bears a large painted message reading 'io ci credo'
'I believe it.'
Paolo Gregotti on Unsplash.

“I believe.” For many, the opening words of the Christian Creeds are self-defeating. Why read any further, when all they offer is opinions, rather than certainties? Faith is just a lower form of knowledge – a kind of hesitant half-truth, which seems out of place in today’s more sophisticated world, informed by science and philosophy rather than outdated worldviews inherited from a credulous past. 

It’s a fair point. We cannot believe anything we like; there has to be reason to believe it, evidence in its support. For those wedded to a hard rationalism, we can only believe what can be proved to be true. Yet the problem is that the secure truths of logic and mathematics are existentially inadequate. We seem unable to escape the lure of “ultimate questions”, to use Karl Popper’s term for truths about meaning and value in life that frustratingly lie beyond the scope of science to confirm. 

We can prove shallow truths. Yet the truths that really matter to us seem to lie beyond rational confirmation.

When it comes to the really important things in life, we are confronted with a rationalist dilemma. We can prove shallow truths. Yet the truths that really matter to us seem to lie beyond rational confirmation, often leading us into vicious argumentative circles rather than offering clear and persuasive proof. Bertrand Russell made this point in his famous defence of philosophy: “To teach how to live without certainty, and yet without being paralyzed by hesitation, is perhaps the chief thing that philosophy, in our age, can still do for those who study it.” 

Albert Einstein was fond of using mental experiments to open up some fundamental scientific questions, finding that they combined imaginative reflection with rational analysis. Here is a useful mental experiment. Suppose we limit ourselves to a mental and imaginative world in which we only accept what can be proved to be true. What sort of world would that be? It would, obviously, be a world from which Christianity was absent. Yet, perhaps less obviously, it would be a world from which all beliefs – moral, political, social and religious – are excluded. It would be a world without moral values, which remain obstinately resistant to rational or scientific verification. My suggestion is that this mental experiment indicates that this world would be existentially, morally and personally uninhabitable. 

The human quest for wisdom, goodness and meaning takes us beyond the cold certainties of logic.

The opening words of the Creeds need to be seen in this context. The human quest for wisdom, goodness and meaning takes us beyond the cold certainties of logic into a world in which we believe or trust certain things to be true, life-changing and live-giving – but cannot prove them to be true. The Latin word credo – traditionally translated into English as “I believe” – is better rendered as “I trust,” invoking the world of relationships rather than mere beliefs. 

The Creeds set out a vision of reality – a vision that cannot be proved to be true, but which was found to be true by a community of people, who have passed down in the Creeds their collective witness to what they discovered. As C. S. Lewis remarked, “the one really adequate instrument for learning about God is the Christian community.” This vision is affirmed to be trustworthy – not merely something that is transformative and liberating, but something that can be lived, not merely thought.  

Getting the bigger picture 

Faith is thus not a half-hearted hope that there might be a God. For Christians, it is a broad recognition that we live in a world in which certainty is not possible, save in closed mental domains that have little relevance to the serious business of living well and authentically. It is about “getting” what things are all about in an epiphanic moment of putting everything together and seeing a bigger picture within which we realize we belong and can flourish. There are other big pictures, of course – but all of them lie beyond proof. In choosing any of these, we are making an informed judgement that goes beyond the available evidence. We may believe (and have good reasons to believe) that it is the best big picture; yet we cannot show that it is true. What we do know, however, is that others have grasped this vision in the past, and transmitted this way of thinking and living to us. 

‘Decentring’ 

The Creeds are thus not a demand to believe, but a description of what has been found, an affirmation of its capacity to satisfy and sustain, and an invitation to explore, discover and inhabit this new world. The Creeds provoke us into looking beyond the world of familiar banalities, and being prepared to be receptive to strange truths, which others have found to be life-changing. The vision of reality that we find articulated in the Creeds might be described as “decentring” – a term used by Iris Murdoch to describe the process of breaking free from our worrying obsession to make everything focus on us. As Plato suggested in his famous analogy of the Cave, there is a greater world that lies beyond us which, once grasped, makes us see things in a very different way. For Christians, faith is about the discernment of this vision of reality, and deciding to act as if it were true, in the firm belief that it can be trusted – and living meaningfully and authentically as a result. 

Interview
Belief
Creed
5 min read

Water from the well: a moment with Rowan Williams on Nicaea

A chance encounter with the former Archbishop led to a profound reflection

Hal is a theologian and writer based in London.

Students sit on the grass in front of a fountain.
Pontifical University garden.
Pontifical University.

The gardens of the Pontifical University of Saint Thomas Aquinas near to the Vatican are a place of quiet reason, where the mind is trained to seek the fundamental truths of existence. But on a sweltering day approaching summer, the temperature was 31 degrees, and reason had given way to a more immediate need: a glass of water. 

It was by the water-cooler, tucked behind a shade-giving tree, that I found him: Lord Rowan Williams of Oystermouth, the former Archbishop of Canterbury, a man whose theological depth is matched only by a palpable, gentle presence. Perhaps it was the heat, or a moment of recklessness, but I asked him for an interview. To my delight, he agreed. 

The following day, we met. His recent keynote address, ‘Nicaea, the New Creation, and the Body of Christ,’ had laid the groundwork. What followed was not a simple Q&A, but a deep, meandering conversation—a drawing from the well of a tradition that is both ancient and startlingly immediate. 

The grammar of divinity 

How do you prepare to speak on a Council with 1,700 years of commentary? For Williams, the entry point is not the what, but the why. 

“I started by asking - what was the question Nicaea was trying to answer?” he began. “This is the question Nicaea was trying to resolve: How do we say, at the same time, that Jesus really is the embodiment of the eternalism of God… and that he genuinely opens up for us a new relationship with the Father?” 

This is what Williams calls the “deep grammar” of the Council—a phrase he embraces with enthusiasm. The Creed, he suggests, sketches a grammar for divinity itself. It asserts a belief in one God, “but the kind of oneness that God is, is a oneness that's always fertile or productive.” 

This productive, self-giving life—kenosis—is not just who God is, but the kind of life we are called to participate in. “God is always reflecting itself in word and spirit… boiling over into creation - that's what God is!... a life that is both self-giving (kenotic) and productive… a life that brings others alive.” 

The saints, in their radical openness to this “kenotic presence,” become conduits of this new creation. “Rather mysterious things happen,” Williams notes, “when you allow the act of God to go through you.” 

The magnetic quiver 

But how do we, in our everyday lives, tune into this deep grammar? Williams points not to the esoteric, but to the ordinary acts of faith that structure our existence. 

“We’re called on, first of all, to wake up to the fact that in our ordinary lives we're in fact all the time making acts of faith - the faith that what I say to you and what you say to me can be more or less understood... the faith that human commitment and love are significant and worth investing in.” 

This trust, this “connectedness,” is a slow “peeling open of human identity to its depths.” It is a universal experience, a “magnetic needle” in creation that “quivers northwards... quivers Godwards. We can't quite keep it quiet.” 

He offers a wry, characteristically British illustration: “one of the great mysteries in British society is that British people are much nicer than the Daily Mail thinks they are!” 

This inherent pull, this quiver, is what the doctrines of the Creed are meant to protect and describe. The dense, pub-unfriendly language of “consubstantial with the Father” is not an abstract puzzle but a map of a reality we are already, however faintly, experiencing. “The Holy Spirit draws us into the flow of life,” Williams says. “The Creed keeps us aware of it… it's the shape and form we’re growing into.” 

The breath of the Spirit 

This brings us to the ancient rift of the filioque clause—the Western addition to the Creed stating the Spirit proceeds from the Father “and the Son.” Is it a fatal block to unity or a matter of semantics? 

For Williams, the scriptural reality is paramount. “Jesus says to his disciples I will send you the Holy Spirit who proceeds from the Father. Jesus is saying - you will be receiving a gift from me, which is given me by the Father, to give to you.” 

The key, he suggests, is in the tangible action: in John’s Gospel, the resurrected Jesus breathes on his disciples. “Jesus brings the Spirit into action, into full tangible action in human history.” The Spirit proceeds through the Son into the world. At this point, theology reaches its limit. “I’m quite happy to grin feebly and shrug my shoulders...I dunno!” he laughs. “What matters is that the energy of new life and vision is given.” 

And this energy, he insists, “goes with the grain of our humanity.” One can almost imagine a divine sigh: “For Heaven’s sake... just wake up to what you are.” 

He finds the perfect image in the parable of the Prodigal Son, who, in the depths of his exile, “came to himself.” It is a “paradigm moment” of das Ereignis—a Heideggerian concept for an event of appropriating, of “coming into one’s own.” “There is a self to come to,” Williams affirms, “and a home to go to.” 

A unity already given 

Will the divided churches ever find structural unity? At times, he admits, we seem to be drifting further apart. But Williams’ focus is on a deeper, prior reality. 

“It helps to be aware that there's a unity given already. We're not quite sure how to embody it. We're not quite sure how to organise it. But there's something there.” 

Finally, reflecting on the Council itself, he dismisses any notion of Nicaea as a merely political project for a fractious empire, though Constantine’s desire for harmony was a factor. He paints a visceral picture of the attending bishops, as described by Eusebius: men with missing hands, gouged eyes, and the scars of persecution. When Constantine greeted them, “he kneels down and kisses their wounds.” 

“They're not just purple cassocked prelates sitting in armchairs! Their faith has been through the fire!” 

This is the well from which this Creed was drawn. It is a creed of the persecuted, a truth forged in fire. A truth, as Williams learned from Pakistani Christians this year who heard the story of Nicaea and simply said, “we know about that,” that is known in the bones before it is understood in the mind. It is the water that waits, cool and deep, for any who come thirsty. 

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