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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
this and only this
Grammar usage guide and real-world examplesUSAGE SUMMARY
"this and only this" is correct and usable in written English.
You can use it when you want to emphasize that something is the only acceptable option. For example, "If you want to pass the exam, you must study this and only this material."
✓ Grammatically correct
News & Media
Science
Wiki
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
19 human-written examples
Then Gamergate attacked all of that with trutherisms and a mealy-mouthed apologism for its worst excesses, essentially saying "no, games are THIS and ONLY this".
News & Media
This, and only this, is why people tuned in.
News & Media
This, and only this, gives their lives meaning.
News & Media
It is for this, and only this, that ETA kills: its other excuses are bogus.
News & Media
"You can't say the building is this and only this," Mr. Herzog said.
News & Media
You need a comma after "movie" because this and only this is Mr. Allen's newest movie in theaters, and before "Jessie" because she and only she is the writer's oldest friend.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
"For this reason, and only this reason, for two days I tried human growth hormone.
News & Media
This part, and only this part, is actually the NCAA's fault.
News & Media
In this sense, and only this sense, those who favor demolition are being responsibly contextual.
News & Media
In this instance – and only this – it's worth looking to Mrs Beckham for inspiration.
News & Media
And we were told, from On High, to use this facility and only this facility upon pain of pain.
News & Media
Expert writing Tips
Best practice
Use "this and only this" to clearly communicate that there are no other acceptable options or considerations. It adds emphasis and precision to your statement.
Common error
Avoid using "this and only this" too frequently in your writing, as it can make your tone sound repetitive and overly emphatic. Consider using synonyms or rephrasing for variety.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this and only this" functions as an emphatic determiner or intensifier. It highlights that the specified item or condition is the sole acceptable or relevant one, excluding all others. Ludwig AI confirms its correct usage.
Frequent in
News & Media
50%
Science
30%
Wiki
10%
Less common in
Formal & Business
3%
Encyclopedias
2%
Social Media
5%
Ludwig's WRAP-UP
In summary, the phrase "this and only this" is a grammatically sound and frequently employed expression used to assert exclusivity and emphasize a singular focus. Ludwig AI analysis validates its correct usage across diverse contexts, prominently in News & Media and Science. While versatile, it's crucial to avoid overuse to maintain a balanced and engaging tone. Remember that while expressions like "solely this" can serve as alternates, the added emphasis inherent in the original phrase should be preserved. In essence, wield "this and only this" judiciously to drive your point home with unwavering clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Solely this
Focuses on exclusivity with a single adverb instead of a conjunction.
Just this
Simplifies the phrase by removing the emphasis on 'only'.
Nothing but this
Highlights the absence of alternatives.
This exclusively
Emphasizes the exclusivity of the subject with an adverb.
Precisely this
Conveys exactness and precision about what is indicated.
This and nothing else
Directly contrasts with any other possibility.
Merely this
Indicates a sense of limitation or simplicity.
This in particular
Singles out something specific from a broader set.
Specifically this
Clarifies and emphasizes a particular item or reason.
To the exclusion of all else
Formally emphasizes the absence of other options or considerations.
FAQs
How can I use "this and only this" in a sentence?
You can use "this and only this" to emphasize a singular condition or option. For instance, "If you want to succeed, focus on "this and only this" strategy".
What phrases are similar to "this and only this"?
Alternatives include "solely this", "just this", or "nothing but this", each emphasizing exclusivity.
Is it correct to say "this and only this" in formal writing?
Yes, "this and only this" is acceptable in formal writing when you want to stress the exclusivity of something. However, ensure it aligns with the tone and doesn't sound overly repetitive.
What's the difference between "this and only this" and "only this"?
"This and only this" provides extra emphasis compared to "only this". The addition of "this and" reinforces the singular focus.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested