Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
but one thing
Grammar usage guide and real-world examplesUSAGE SUMMARY
'but one thing' is correct and usable in written English.
You can use it as a way to introduce the single point or idea that stands out from a larger group of points or ideas. For example: I enjoy all kinds of sports, but one thing I love the most is basketball.
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
but one adventure
but one achievement
but one facet
but one sentence
but one item
but one mistake
but one component
but one trick
but one gig
but one dimension
but one catch
but one choice
but one benefit
but one remark
but one element
but one incident
just one thing
but one rule
but one option
but there is a downside
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
But one thing strikes.
News & Media
But one thing hadn't changed.
News & Media
But one thing I know.
News & Media
But one thing is evident.
News & Media
But one thing never changed.
News & Media
But one thing seems clear.
News & Media
But one thing bothers me.
News & Media
But one thing is incontestable.
News & Media
But one thing unites them all.
News & Media
Not the only thing, but one thing.
News & Media
But one thing they are not: hypocrites.
News & Media
Expert writing Tips
Best practice
Ensure the statement following "but one thing" is concise and impactful, emphasizing its significance.
Common error
Avoid starting multiple consecutive sentences with "but one thing", as this can make your writing sound repetitive. Vary your sentence structure to maintain reader engagement.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
But one thing functions as a conjunctive phrase, introducing a contrast or a key point following a previous statement. Ludwig AI examples show it is frequently used to highlight a single element amidst multiple considerations, as confirmed by Ludwig's AI response indicating correctness and usability.
Frequent in
News & Media
77%
Science
13%
Formal & Business
3%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "but one thing" is a versatile and grammatically correct phrase used to emphasize a key point or contrast with previous information. Ludwig's AI analysis confirms its validity and usability in written English. Predominantly found in news and media contexts, it serves to draw attention to a specific aspect and maintain reader engagement by ensuring clear transitions. Remember to use this phrase judiciously to avoid repetition and maintain a balanced writing style.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
however, one aspect
Replaces "but" with "however" and focuses on a single "aspect" instead of a general "thing".
still, one factor
Emphasizes a continuing aspect using "still" and uses "factor" for specificity.
yet, a single point
Uses "yet" as a conjunction and emphasizes a "single point" for clarity.
that being said, one issue
Uses "that being said" to transition and focuses on "one issue".
nevertheless, one consideration
Similar to the original but uses "nevertheless" for contrast and "consideration" for a more formal tone.
despite that, a noteworthy item
Introduces a significant point with "despite that" and calls it a "noteworthy item".
on the other hand, one item
Introduces a contrasting point with "on the other hand" and specifies "item".
even so, a specific detail
Introduces a detail with "even so", focusing on a "specific detail".
conversely, a particular element
Uses "conversely" to show contrast and highlights a "particular element".
all the same, a unique feature
Highlights a unique aspect with "all the same" and the term "unique feature".
FAQs
How can I use "but one thing" in a sentence?
Use "but one thing" to introduce a key point that contrasts with or stands out from previous information. For example, "The project had many challenges, but one thing remained constant: the team's dedication."
What phrases are similar to "but one thing"?
Alternatives include "however, one aspect", "yet, a single point", or "nevertheless, one consideration", which provide similar emphasis with slight variations in tone.
Is "but one thing" formal or informal?
"But one thing" is generally considered neutral and can be used in both formal and informal contexts, depending on the surrounding language and overall tone.
When should I avoid using "but one thing"?
Avoid using "but one thing" excessively in a short piece of writing. Overuse can make your writing sound repetitive. Try varying your sentence structure or using alternative transitional phrases.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested