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
Knowledge is limited
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Knowledge is limited" is correct and usable in written English.
You can use it when discussing the constraints of human understanding or the scope of information available on a particular subject. Example: "While we strive to learn as much as possible, it's important to remember that knowledge is limited, and there will always be more to discover."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(1)
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
56 human-written examples
Knowledge is limited.
News & Media
Knowledge is limited, whereas imagination embraces the entire world - Albert Einstein.
News & Media
Knowledge is limited on how nutrition affects TOR and how TOR influences naturally occurring phenotypic plasticity in higher eukaryotes [1], [2], [20].
Science
Knowledge is limited with respect to distribution and abundance of rare species, zooplankton productivity, spatial and temporal variability, gelatinous zooplankton, midwater oceanic shrimps, and deep oceanic zooplankton [233].
Science
Knowledge is limited about the use of CAM practitioners by older people, and specifically those with other long term or chronic conditions.
His knowledge is limited, his speech is limited, his comprehension of life is limited – but his emotions are heightened.
News & Media
Adequate up-to-date evidence based clinical nutrition knowledge is limited among healthcare professionals.
Academia
The time they've actually got to develop subject knowledge is limited to ending up a page ahead of everybody in the textbook.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
Knowledge is limited about which factors influence changes in lower limb muscle strength in these persons.
Science
Overall, these results suggest that STEM career knowledge is limited among middle school students.
A majority of these detailed studies are written for an audience whose knowledge is limited.
Expert writing Tips
Best practice
When discussing the scope of research or understanding in a specific field, use "Knowledge is limited" to acknowledge existing gaps and encourage further exploration.
Common error
Avoid using "Knowledge is limited" as a conversation stopper. Instead, frame it as a starting point for discussion and further investigation.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "Knowledge is limited" functions as a statement of fact, acknowledging the incompleteness or restrictions in available information or understanding. Ludwig examples confirm its use across diverse contexts to highlight gaps in current understanding.
Frequent in
Science
48%
News & Media
39%
Formal & Business
13%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "Knowledge is limited" is a grammatically sound and versatile expression used to acknowledge the boundaries of understanding or the lack of complete information. As Ludwig AI confirms, it is appropriate across diverse contexts, particularly in academic, scientific, and news-related domains. While prevalent, it is important to use it constructively, encouraging further inquiry rather than stifling it. Consider alternatives like "understanding is finite" or "information is incomplete" for subtle variations in emphasis. Always frame the statement to inspire further exploration.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Understanding is finite
Focuses on the boundary of understanding rather than the extent of knowledge.
Our knowledge has boundaries
Highlights the existence of limits to what we know.
Information is incomplete
Emphasizes the lack of full information rather than the limits of knowledge itself.
Our awareness is restricted
Shifts focus to the limitations of awareness.
Data is lacking
Highlights the absence of sufficient data.
Insight is partial
Indicates that understanding is not complete or comprehensive.
Comprehension is bounded
Emphasizes the restricted nature of comprehension.
The scope of knowledge is narrow
Focuses on the limited breadth of knowledge.
The extent of our knowledge is not exhaustive
Emphasizes the non-comprehensive nature of our understanding.
The picture is not complete
Uses a metaphor to indicate a lack of full understanding.
FAQs
How can I use "Knowledge is limited" in a sentence?
You can use "Knowledge is limited" to acknowledge gaps in understanding. For example: "While we have made progress, "knowledge is limited" regarding the long-term effects of this treatment."
What can I say instead of "Knowledge is limited"?
You can use alternatives like "understanding is finite", "information is incomplete", or "our awareness is restricted" depending on the context.
When is it appropriate to say "Knowledge is limited"?
It's appropriate when discussing the boundaries of current research, understanding, or available data in a specific area. It's a way to acknowledge that there's more to learn.
Is it correct to say "Our knowledge is limited"?
Yes, "Our knowledge is limited" is a perfectly acceptable and grammatically correct variation of "Knowledge is limited". Both phrases convey the same basic meaning.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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
4.6/5
Expert rating
Real-world application tested