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
permanent knowledge
Grammar usage guide and real-world examplesUSAGE SUMMARY
"permanent knowledge" is a correct and usable phrase in written English.
It refers to knowledge that is lasting, constant, or unchanging. It can be used in a variety of contexts, such as discussing education, philosophy, or information retention. Example: "The goal of a good education is to impart permanent knowledge, not just temporary facts that will be forgotten after a test."
✓ 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
4 human-written examples
"This work," Byrne continues, "has a greater aim than mere illustration; we do not introduce colors for the purpose of entertainment, or to amuse by certain combinations of tint and form, but to assist the mind in its researches after truth, to increase the facilities of instruction and to diffuse permanent knowledge".
News & Media
First of all, the reps can find their fellow employees' notes and not have to reinvent the wheel every time, and the notes and articles they write can pass through editorial review and become part of the permanent knowledge base.
News & Media
Endogenous growth models, in contrast argue that FDI promotes economic growth even in the long run through permanent knowledge transfer, as via technology spillovers from advanced to lagging countries (Qimiao Fan et al. 2007:74).
The long- term memory is the repository for more permanent knowledge and skills information that is not currently being used, but is necessary for understanding (Bower 1975).
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Whereas RSC tracked the acquisition of permanence knowledge, the hippocampus was only engaged by landmarks which were both known to be permanent and associated with a specific place.
Science
This aversion to history goes back at least as far as Descartes -- who at the outset of his Meditations (there's a classic one might choose to read this year!) determined to set aside the historical opinions that he had been taught in his youth and began to build anew "a firm and permanent structure" of knowledge that extended outward from his own mind and body.
News & Media
Possible answers were: one-time education session, permanent education or knowledge sharing program, no training program available.
Science
The second most mentioned positive impression was that the lesson provided "sticky", "permanent", and sustainable knowledge (14/32, 44%); "Showing it with gestures and mimicry increases the amount of information that sticks in my mind", "The learning is permanent", "I will remember my friends' cues for the next years.
Science
Instead, find Fortify Smithing enchanted gear, pick the Warrior Stone when you find or revisit the Guardian Stone, go to sleep in a bed(preferably one you own) and if you can, get the Ancient Knowledge permanent perk by taking From-Deepest-Fathoms' side quest, which involves delving into a Dwarven ruin.
Wiki
Specifically, we used MVB to look for patterns of voxel activity within permanence responsive regions which mapped onto knowledge of permanent landmark locations as assessed in the post-scan navigation test.
Science
Interestingly, the increased RSC activation in response to permanent landmarks paralleled participants' knowledge about landmark permanence.
Science
Expert writing Tips
Best practice
Use "permanent knowledge" when you want to emphasize that the information or skills being discussed are not fleeting but are intended to be retained and applied over a long period.
Common error
Avoid using "permanent knowledge" when referring to information that is expected to change rapidly or is only relevant for a short time; instead, opt for terms like "current understanding" or "working knowledge".
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "permanent knowledge" functions as a noun phrase where "permanent" modifies the noun "knowledge". As Ludwig AI explains, this signifies knowledge intended to last, contrasting with temporary information.
Frequent in
Science
40%
News & Media
40%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "permanent knowledge" is a grammatically correct phrase used to describe knowledge intended to last over time. As Ludwig AI confirms, it is utilized in contexts ranging from education to skill development, with the goal of highlighting long-term retention. While alternatives such as "lasting knowledge" or "enduring knowledge" exist, "permanent knowledge" is appropriate when emphasizing the importance of unchanging and reliable information. The phrase frequency is considered rare, according to the Ludwig examples.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
lasting knowledge
Emphasizes the enduring quality of the knowledge.
enduring knowledge
Similar to lasting knowledge, highlighting persistence over time.
stable knowledge
Focuses on the unchanging and reliable nature of the knowledge.
long-lasting knowledge
Directly indicates the knowledge persists for a significant duration.
persistent knowledge
Highlights the continuous existence and relevance of the knowledge.
fixed knowledge
Implies the knowledge is firmly established and unlikely to change.
immutable knowledge
Suggests the knowledge is unchangeable and absolute.
eternal knowledge
Emphasizes an infinite and timeless quality of the knowledge.
ingrained knowledge
Highlights that the knowledge has become deeply embedded in one's mind.
deep-seated knowledge
Indicates that the knowledge is profound and fundamental.
FAQs
How can "permanent knowledge" be acquired?
"Permanent knowledge" is typically acquired through consistent study, practical application, and reinforcement of concepts over time. Techniques such as spaced repetition and active recall can aid in long-term retention.
What's the difference between "permanent knowledge" and "working knowledge"?
"Permanent knowledge" refers to information or skills deeply ingrained for long-term retention, while "working knowledge" is the practical understanding needed to perform a task effectively, which may not be retained indefinitely.
What are some alternatives to the phrase "permanent knowledge"?
Alternatives include "lasting knowledge", "enduring knowledge", or "stable knowledge" depending on the specific nuance you wish to convey. These terms emphasize different aspects of long-term retention and reliability.
In what contexts is it appropriate to use the term "permanent knowledge"?
The term is appropriate in contexts discussing education, skill development, or any situation where long-term retention and application of information are crucial. It's useful when contrasting with temporary or quickly outdated information.
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
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested