Eternity is Real
A Conversation about Time with Br. Geoffrey Tristram and The Rt. Rev. Nick Knisely.
So many people today seem to suffer from a sense of disordered time; our experience of time is polluted by misuse and abuse. And it’s poisoning our lives—like a disease, really. Yet time is meant to be a gift from God. Geoffrey Tristram sat down with Nick Knisely in the hopes of gaining a better understanding of this complicated realm in which faith and science intersect.
GT: Thanks so much for sitting down with me, Nick. I know that you wear two hats, being both a bishop and a physicist. I’m hoping that you might be able help us to gain a clearer understanding of how time and space relate to each other.
NK: If we can solve that one, we’ll win a Nobel Prize! Well, let’s start with Einstein. Essentially, Einstein took the relativist philosophy of the nineteenth century and began to express it mathematically. To do so, he went back to some mathematical equations that Hendrik Lorentz had devised at the turn of the century, dealing with the mathematical idea that when you move, things begin to change their character, or your experience of them begins to change their character. Lorentz’s equations found a way to express the idea that as you are moving, space begins to collapse or conversely time slows down. Either way, whether it’s time slowing down or space collapsing, the two effects give you the equivalent result: that light is always the same speed in every direction no matter whether you’re moving or stationary or anything else.
This is a huge deal for physics, because Einstein is able to take this equation and say there is no privileged reference frame. Anybody can say, “I am the center of the universe,” and they would be absolutely correct. Everybody is the center of the universe. It’s really a quite lovely thing to meditate on.
GT: That’s essentially the theory of relativity, right?
NK: Right. And what it means is that in a certain class of observers—people who are moving at a constant velocity, people who have been rotated but are not rotating at the moment, or people who have to move from one place to another (they’re called inertial observers)—any one of them has an experience that cannot be argued about by any other observer. This means that your experience of reality and my experience of reality—even though they’re different—are exactly right for each one of us.
GT: What are the implications of this for our understanding of time?
NK: This means that time—which Isaac Newton imagined as a river flowing ever majestically, like the Thames, on down to the sea—does not in fact flow at a constant rate at all. Instead, time bubbles, whirls, slows down, and speeds up effectively depending on what the observer is doing at the moment. This becomes hugely important! Practically, it means that even something as simple as sending a radio message to a robot on Mars has to take into account the relativistic effects of Martian motion, our motion, and then the dual effect of climbing out of our gravitational field, because general relativity shows that gravity also slows down time.
GT: So that’s a quite practical example. And if I understand the implications of it: time itself is not a constant.
NK: Not even close. This idea—that your reality, your experience of reality, is valid for you, and my experience and my reality is valid for me—means that the idea of finding an absolute truth becomes a lot more difficult.
GT: And I take it that this includes any notion of time as an absolute truth. What does this mean, theologically, then for our understanding of God?
NK: I think the poetic imagination is helpful here: I’d say that God is the ultimate truth in eternity, outside of the flow of time. And we who live in the boundaries of time and matter and space can get asymptotically close to God, but cannot cross that barrier—in this life at least.
GT: See, this is interesting: the very possibility of a relationship between God who is timeless (yet who creates time) and we who exist in time. For we do have these breakthroughs, moments where, somehow, we become aware that time is shot through by the timeless. Or, to say it another way, there are moments when we sense that our timeless God had somehow broken through to us, in time.
NK: Well, not to complicate matters further, but there is a whole pool of physicists who argue that time itself is an illusion. There are great problems with time—one of them is called the “arrow of time” problem. Namely, we don’t understand why you can go backwards and forwards in space in any direction—in the X-axis and the Y-axis and the Z-axis—but in time you can only go forward. You cannot go backwards, and no one really understands why. It’s a huge unsolved problem in physics and philosophy.
GT: And in theology! This issue of time moving in one direction is also a huge unsolved problem in people’s lives. In spiritual direction, we hear again and again how much of people’s longing is to go back.
NK: And there’s no reason, mathematically, why we can’t. And yet we can’t. This flow of time—we don’t know why, but it goes in one direction. Now although time flows in one direction, it can go faster and slower.
GT: Which I’m guessing opens up again the question of relativism.
NK: Well, it doesn’t just open it up—it cracks it right open, and there you have it! It means that there is no absolute truth, at least scientifically, that anybody who is in this universe can access. We don’t like it, but there it is. When you put together the idea of multiple truths and the flow of time, you hit upon the fact that the flow of time is completely and totally subjective. Think about it. This bears out in our experience. When I’m bored, time goes so slowly, when I’m having fun, time goes so fast. And I’m not talking about the perception of time. I’m actually talking about what’s measurable with atomic instruments.
GT: So are you saying that time actually slows down? This would mean that each observer in time, so to speak, has his or her own validity. Even if there is no absolute truth, wouldn’t their experience of time still be absolutely true for them? This has to change the way we think, theologically, about the individual’s experience of everything—even God.
NK: Yes! Surely you’ve had the experience of hearing a directee explain their experience of the divine and thinking, “That’s not what it’s like for me.” When I hear this, I know I’ve often had to just shrug and say, “Oh, I’m just wired differently.” Or, “My neurotransmitters are firing differently.”
GT: Yes! Because such experiences are unique to the person having them. The question then is this: is there a point at which you can say to a spiritual directee, “Actually, your experience of God is wrong”? Do we have any access to a greater truth that we can use to help direct or confirm or deny the experience of others?
NK: I think we can use revealed truth. That’s the majesty of the gospel of salvation history: in salvation history the eternal pokes its nose, if you will, into the temporal. As a natural theologian and as a natural philosopher, I’ve studied what I can learn about God by looking at the machinery of Creation. And there’s a lot you can learn. But there comes a point where that knowledge approaches absolute truth, yet does not cross over, because you just can’t get there. So the truth has to be something that pokes into our experience from the absolute. And we, as Christians, would say that the fullness of that revelation is the person of Jesus Christ.
GT: And can you say that this revealed truth, that “God is love,” actually trumps any person’s own particular perception of reality?
NK: That’s where faith comes in. As a person of faith, you have to give your assent to the gospel message. But you can’t make the argument, as much as I’d like to be able to make it, that natural philosophy leads you to God.
GT: But if this God—who is Love—who is beyond time, can nevertheless poke through into time, then that’s incredibly hopeful! Because it means that whatever happens in time, however awful, there will always be love returned.
NK: Yes. You see throughout all the biblical witness that God is actively engaging in human history. And the alternative is terrifying: the idea of the watchmaker, God, who sets this thing up—
GT: —and then just leaves it—
NK: —exactly, it’s horrible. You’re left trying to explain why a God who created the universe and pronounced it “Wunderbar!” wonderfully good, is allowing the slaughter of children in Gaza today, in Europe in the ‘40s, all over the world across time.
GT: But instead we see that God is constantly pushing into reality, into time.
NK: Yes we do. An acquaintance of mine, Bob Russell, is the director of the Center for Natural Theology in Berkeley, California. He and I are both members of a religious order, the Society of Ordained Scientists. He has Ph.D.’s in both Theology and Physics and is an ordained member of the United Church of Christ. He has done some amazing work in thinking through the way that science and theology can find what he calls creative mutual interactions. His latest work is on the nature of time itself and the physical meaning of eternity—all of which is motivated by his desire to understand the meaning of the bodily resurrection of our Lord. What he seems to have proved is that if there is an eternity that contains our experience of the flow of time, not only is it possible that the resurrection of the dead is a physical possibility but, he told me in a private conversation, we can explain why time only flows in one direction (which is why we can’t go backwards in time). In a sense, the argument is that the flow of time and the bodily resurrection are intimately connected to each other.
GT: This makes me think of the old monastic theory that we are surrounded by eternity: every moment and every place in Creation is infused with divine light. There are “thin” moments and places where we can see it, and moments that are “thick,” when we cannot. But your point here suggests that if my perception is that I don’t see any light, or don’t experience that eternal break-through, I can actually be helped to see it.
NK: So then your question is: if it’s not that it doesn’t exist, what’s blocking me from seeing it?
GT: Yeah. It means that our perception is not fixed, and the Eternal is there nevertheless.
NK: Correct. It’s not as if your time is flowing at one rate, and my time is flowing at another rate, for our whole lives. It’s that at one moment, your time is flowing at one rate, and at another moment, my time is flowing at another rate. A few moments later, my time may have sped up, but your time may have slowed down.
And this change is actually happening on the order of a nanosecond. You can’t measure it on a wristwatch, but we can measure it. A tenth of a second is the shortest time that we can be aware of, but we can measure time to a femto of a second. That’s a decimal point followed by fourteen zeros and then a one.
GT: So we now live in a world where human beings, using mathematics and tools, can actually think about time—and maybe even build systems and machines that manipulate time—to a femto of a second. I have to second our founder, Father Benson’s worry: as humanity comes up with such technology, one hopes that humanity’s heart keeps up with it.
NK: I think that’s one of the key reasons that the Church has such a critical role to play in re-asserting moral teachings. The Eternal did appear and show us that there are fundamental things that we cannot apprehend by intellectual thought, but which we have to accept on faith. And these things are important. If we do not order our lives according to these we will all die. We are all going to kill each other off.
You Brothers are a proof that we can choose another way. You are in touch with a different, rhythmic way of living. You are creating a kind of time outside the frantic flow of time in society. And this is a simple proof that time is subjective and relative. People have a choice: are they going to live their lives at Internet speed or are they going to live their lives at human speed, the speed for which we are created?
GT: I think we Brothers could probably say that our rhythm also predisposes us towards perceiving the breakthrough of the timeless.
NK: Absolutely. When I go on retreat and keep a different rhythm—a rhythm of prayer that is deeply connected to the rising and the setting of the sun—I find that I am more in tune with nature, and that puts me more in tune with Creation. My time scale is matching Creation’s time scale. And the author of Creation is that Eternal that I accept, as a person of faith. This means that my perception of the timeless is an actual physical thing. When your time is moving faster, the vibrations are much faster, and you are literally moving in a different time scale than the Creation around you, a rock, say, or a tree. But if we are close to the same time as Creation, then we are resident with Creation.
GT: Can you calibrate your own time, then? Is there actually a choice—that you can move towards residence with Creation, or away from it? Is that more than just a metaphor?
NK: It much more than a metaphor. What we’re talking about is actually real.
GT: This is amazing. You know that, at Emery House, we have been moving towards consciously providing a place where people can get back in touch with the natural rhythms of Creation. And people talk to us about the powerful experiences they have when they go there. Now you’re suggesting that, actually, they may well be experiencing a physical complement with natural rhythms. That their very experience of time may be being transformed?
NK: Yes. They are experiencing an emotional reaction to something fundamental. When you change your time scale, it allows you to be more present to the Creator who made this Creation. You’re living on the human scale—the time scale for which we were built. Otherwise we’re living our lives at a frantic speed that doesn’t allow us to function as we are meant to. We’re putting the wrong gasoline in our engine, the wrong weight of oil in the oil pan. It sort of works for a while but, you know, our parts are wearing down. The Brothers, on the other hand, have a rhythm that the great spiritual lights of humanity have discovered again and again. I think you’re living a rule of life that is baked into the nature of Creation.
GT: So it seems that the first thing to do, then, is to get people into a new time scale: break the frantic cycle that is keeping us out of tune with the time scale of Creation. Then the next thing is to help people not just be in the flow of time, but also become aware of how the Eternal is breaking through to us.
NK: Yes, and I think this is where the rule of life becomes very important. The rule of life—the idea of stopping at least daily for prayer, or maybe four times a day for prayer—changes our perception of time. It changes how we experience time itself, as well as how we experience dropping out of time.
GT: So the rule of life can shape our subjective experience of time.
NK: Ah, but that’s the key thing: I’m saying there’s an objective reality. This isn’t simply subjective, poetic imagery—that it’s better for me if I stop for prayer. No, it’s objective. It changes us—like medicine.
We were created and have evolved to live on the surface of this planet, with its rhythms, and the surface of this planet was created and evolved by the Creator to sustain our lives. I think the resurrection of eternal life is really about the destruction of death and this ability of our own lives to enter eternity, to break through into that greater reality.
GT: So the resurrection is the moment when you break free from being bound by time to being timeless—
NK: —to living in the now, the eternal now. Bob Russell’s argument, which I find compelling (and boy, if he’s right it’s a very big deal) is that the “arrow of time”—the argument that time only goes in one direction—implies that eternity is real.
GT: And eternity is God’s love.
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It seems to me that one aspect of the time/space puzzle merits more attention, and that’s the observer. Like thinkers in the middle ages, who believed that the stars circled about earth, we assume that our own identities as observers are central, axiomatic, when trying to decode time/space.
Scientists tell us that everyone and everything is a centre, that even the act of observing changes what is observed, but is there any work done to investigate what a “centre” is, when referring to the observer? An observer is not just an entity occupying a position, moving or not moving, or a set of senses, extended by instrumentation or otherwise.
Subjectively, we sense expanse in prayer and meditation, the transition, as someone has put it, from “focussed concentration” to “diffuse awareness”, the centre of our identity spreading out. We also sense a presence in that spreading, and the realization that the presence has always been there, and can be apprehended when our attachment to our individual identity takes a temporary backseat. What is the observer in this state of being? Isn’t it something we start to suspect is illusory?
Physics eventually saw through solid matter, teaching us that it is mostly space between the bits and pieces of atoms, that its seeming solidity is illusory. I’m curious to know if any physicists anywhere are attempting to examine the seeming solidity of the observer…
Some important dots need to be connected for me to understand two components of this rich dialogue. First, “…eternity that contains our experience of the flow of time” [means that] “resurrection of the dead is a physical possibility.” How do these two ideas connect? And second, the reference to the “arrow of time” that moves in one direction: How does that abstraction imply the reality of eternity? These two components are reduced to frustrating assertions for me because the bishop/physicist does not bring us with him by providing more explanation. I need some hand holding. Please, tell me how to connect these important dots.
This was deep communication! Beyond my mental grasping, except that “Our times are in your hands”, speaking of God the eternal. At my age, time has slowed for me. When I was young, helping to raise my four children, time was so fleeting–never enough to get my work done. But
now, I live at a much slower pace. Thanks for making it possible to “listen in” on this remarkable
conversation.
I found the conversation very timely and valuable. My question is where did they read the subatomic measurements of time? In a human being? In a tree? In a rock? Have they made those measurements which would be extremely interesting in terms of looking at ‘natural’ rhythms/vibrations/time? What’s it that we have fallen so out of harmony/wholeness/synchronization with that it is polluting not only our planet’s life, but also our very own lives?
I loved this conversation. Thank you so much. However, I am having difficulty with 2 sentences of Nick’s. They relate to the same point, I think. I wish he could go into greater depth. The first sentence says essentially that if there is an “…eternity that contains our experience of the flow of time,” then “resurrection of the dead is a physical possibility.” I’m afraid I just don’t get that. And secondly, I don’t get how the fact that, as Nick says in the last full paragraph, time goes in one direction implies that eternity is real. I like the ideas, but I am not up to understanding these points. Has something been left out in the editing?
Any mother of young children can tell you time’s “thick” with little ones. Add a job, husband, home, church, and community, and there’s so little time. I wanted to bring time in from when I got older to space life more evenly. Can you work on this?
I love this idea! My own mother was once so busy with a very demanding career. I used to wish she was like other moms who were home all the time. But for the past decade, she’s suffered from a debilitating chronic illness and she can do very little. She has “all the time in the world” but her world has become much smaller. Now, I am the one in the busy years of work and family. I wonder if I will look back when I’m older and miss these days. I, too, wish I could get some of that future time and use it now. Or maybe the balance is what we see looking back from the end point.
This conversation is very intriguing, I have often thought that time, as we know it, only applies to our earthly condition, and that God is timeless – it does not exist beyond the earth. I think that in our next life there can only be the now – beyond anything we can imagine.
What a blessing to read and ponder this conversation. After recently watching the Jane/Steven Hawking film and reading her book, to ponder time is to ponder eternity and how our mortal lives fit into space and time. To read this conversation was manna from heaven. Thank you for taking the time to talk and post and share. We need to see and hear from people like you who have taken the space and the time to listen and think and ponder.
THANK YOU so much for making the time.
It can go so fast, or slow.
Does that mean we can create time in our space with God?
God is Good. ALWAYS.
Absolutely fascinating. It is quite literally mind-blowing. Thank you, thank you.
Very interesting.