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I imagine most of us know the name of the great English hymn writer John Newton. Or at least we know that he wrote the hymn Amazing Grace. Or perhaps we know that he once captained a slave transporter, or that he became the spiritual guide to the great William Wilberforce. You may even know that partly in order to help his friend William Cooper, who suffered from a very deep depression, he got them to write an entire hymn book together. He was a minister and preacher in the Church of England. And he had another talent that I think is less well known, although most of his friends thought it was his greatest talent. He was one of the very greatest letter writers of the Christian church. And hundreds of his letters are still available to read, and they are hugely helpful to us as Christians. I think actually it would be possible to have a whole year of podcasts on John Newton's letters, and perhaps his name will turn up again in the future. But this week I want to think with you about one of his letters, which I found very interesting because he puts into words and almost into pictures something you've probably noticed but maybe never quite been able to put into words yourself. Let me try and explain what this letter is about. I wonder if you've ever spilt a tiny blob of soup on your new silk tie, or maybe a small piece of mud gets splashed on your dress, or there's a tiny scratch on your new car. Well, that's very depressing. But what is even more depressing is that's what everybody seems to notice. They don't say, I like your new car. They say, there's a scratch on your new car. Or they say, there's a spot on the tie. Did you notice it? Or what did you do to your dress? It's this strange phenomenon that very small things can spoil the whole, and everybody notices. And John Newton writes this letter about the spiritual equivalent of this in his fellow Christians. Here are Christians who in many respects are admirable. But there's one, perhaps only one, characteristic that they have that somehow or another seems to spoil the whole. And it's not a gross sin. It's just a blotch, like a scratch on the car or a mark on the tie or the dress. But it is the thing that everybody notices about them and remembers, and it distorts everything. It seems far bigger, much more prominent than any of their graces or their gifts. And yet the sad thing is we ourselves may not be aware of the fault. We don't have any idea of the atmosphere that we leave behind us. Or that it isn't the aroma of our Lord Jesus Christ. We're a bit like people who get into an elevator in an office building, smartly dressed and well groomed. But after a few seconds, everybody's noses tells them that they've been outside smoking. Every breath they take, every breath they breathe out, tells us something they don't notice about themselves. And the odor isn't attractive. In fact, perhaps it repels rather than attracts. And perhaps you've noticed a spiritual equivalent. So here's something to think about today, just as we talk about this. Have you any idea at all if there's any a scratch or a dent or a mark or a blotch in your life that you've hardly noticed, but might be the thing that stands out to others and makes them think that although you profess to be growing in likeness to Jesus Christ, something is hindering you. Maybe even thinking about that will draw something to your attention. And if that is the case, what you really need to do is to tell the Lord Jesus about it. Because he's promised to forgive you. And he's also promised to begin to cleanse you and make you more like himself. And in the rest of the week, I want to try and talk about some of these people that John Newton talks about, and I think maybe you'll be able to recognize them.
Title: The Faults We Fail to Notice
Podcast: Things Unseen with Sinclair B. Ferguson
Date: January 19, 2026
Host: Sinclair B. Ferguson
Theme: The spiritual phenomenon of unnoticed faults—those minor yet influential flaws that may go undetected by ourselves but are glaring to others, and how they can mar the perception of Christian character.
[00:09] Sinclair introduces John Newton, well-known composer of “Amazing Grace,” noting some less-familiar aspects of Newton’s life:
Quote:
"He was one of the very greatest letter writers of the Christian church. And hundreds of his letters are still available to read, and they are hugely helpful to us as Christians."
— Sinclair B. Ferguson (00:26)
[01:09] Sinclair uses tangible analogies— a stain on a tie, mud on a dress, or a scratch on a new car— to illustrate how a small flaw often becomes the most noticeable feature, overshadowing the whole.
Quote:
"It’s this strange phenomenon that very small things can spoil the whole, and everybody notices."
— Sinclair B. Ferguson (01:55)
[02:22] In Christian communities, sometimes people are admirable in many respects, but one characteristic tends to stick out— acting like a spiritual stain that distorts everything.
Quote:
"And yet the sad thing is we ourselves may not be aware of the fault. We don't have any idea of the atmosphere that we leave behind us."
— Sinclair B. Ferguson (03:02)
[03:32] Sinclair draws a vivid picture: a well-groomed individual in an elevator carries a smell of smoke, which everyone else notices immediately, though the person is oblivious.
Quote:
"Every breath they breathe out tells us something they don't notice about themselves. And the odor isn't attractive. In fact, perhaps it repels rather than attracts."
— Sinclair B. Ferguson (03:48)
[04:15] Sinclair invites listeners to introspection:
Quote:
"Maybe even thinking about that will draw something to your attention. And if that is the case, what you really need to do is to tell the Lord Jesus about it. Because He's promised to forgive you. And He's also promised to begin to cleanse you and make you more like Himself."
— Sinclair B. Ferguson (04:30)
| Timestamp | Speaker | Quote | |-----------|---------------------|-------| | 00:26 | Sinclair B. Ferguson | “He was one of the very greatest letter writers of the Christian church. And hundreds of his letters are still available to read, and they are hugely helpful to us as Christians.” | | 01:55 | Sinclair B. Ferguson | “It’s this strange phenomenon that very small things can spoil the whole, and everybody notices.” | | 03:02 | Sinclair B. Ferguson | “And yet the sad thing is we ourselves may not be aware of the fault. We don't have any idea of the atmosphere that we leave behind us.” | | 03:48 | Sinclair B. Ferguson | “Every breath they breathe out tells us something they don't notice about themselves. And the odor isn't attractive. In fact, perhaps it repels rather than attracts.” | | 04:30 | Sinclair B. Ferguson | “Maybe even thinking about that will draw something to your attention. And if that is the case, what you really need to do is to tell the Lord Jesus about it. Because He's promised to forgive you. And He's also promised to begin to cleanse you and make you more like Himself.” |
Overall Tone:
Warm, reflective, and gently challenging—encouraging Christians toward honest self-appraisal in light of God’s grace, with practical illustrations and historical insight.