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
know the truth
Grammar usage guide and real-world examplesUSAGE SUMMARY
"know the truth" is a correct and usable sentence in written English.
You can use this phrase whenever you want to indicate that someone should have a better understanding of a certain situation or knowledge about something. For example, you might say "If you want to succeed in your studies, you must know the truth about how much hard work it takes to succeed."
✓ Grammatically correct
News & Media
Wiki
Formal & Business
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
60 human-written examples
I know the truth.
News & Media
Who's to know the truth?
News & Media
Now I know the truth.
News & Media
Now we know the truth.
News & Media
You know the truth something — Q: YouTube.
News & Media
We want to know the truth".
News & Media
It was hard to know the truth.
News & Media
We just want to know the truth".
News & Media
But they did not know the truth.
News & Media
How long before we know the truth?
News & Media
"But New Yorkers know the truth.
News & Media
Expert writing Tips
Best practice
When aiming for clarity, ensure the context surrounding the phrase "know the truth" specifies which truth you are referring to. This avoids ambiguity and strengthens your message.
Common error
Avoid using "know the truth" when the information is still speculative or unconfirmed. Using phrases like "believe to be true" or "suspect to be true" offers a more accurate representation in uncertain situations.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "know the truth" functions primarily as a verb phrase, often used to express the importance of understanding or acknowledging factual information. Ludwig examples confirm its widespread use in various contexts.
Frequent in
News & Media
48%
Wiki
24%
Formal & Business
10%
Less common in
Science
8%
Reference
6%
Encyclopedias
4%
Ludwig's WRAP-UP
In summary, "know the truth" is a commonly used phrase that emphasizes the importance of understanding or acknowledging factual information. As highlighted by Ludwig, it is grammatically sound and frequently found in various contexts, particularly in news and media. While its register is generally neutral, careful consideration should be given to the specific situation to avoid sounding overly dramatic or presumptuous. When accuracy is paramount, "know the truth" serves as a powerful expression of the need for clarity and honesty.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
ascertain the truth
Focuses on the process of finding out the truth, rather than just possessing it.
discover the reality
Emphasizes uncovering the actual state of affairs.
understand the facts
Highlights comprehension and grasp of factual information.
learn the actualities
Stresses the process of gaining knowledge about what is actually happening or happened.
recognize the real situation
Focuses on acknowledging the true circumstances.
find out what really happened
Emphasizes a discovery or investigation into a past event to reveal the truth.
become aware of the truth
Highlights the moment of realization and gaining insight into the truth.
get to the bottom of things
Implies a thorough investigation to uncover hidden truths or underlying causes.
uncover the facts
Highlights the act of revealing previously hidden information.
see through the lies
Focuses on recognizing deception and understanding the actual truth behind it.
FAQs
How can I use "know the truth" in a sentence?
You can use "know the truth" to emphasize the importance of understanding a situation, such as: "It's essential for citizens to "know the truth" about their government's actions." or "Before making a decision, you need to "know the truth"."
What's a more formal way to say "know the truth"?
In formal contexts, consider using phrases like "ascertain the facts", "establish the veracity", or "determine the reality". These alternatives offer a more professional tone while conveying a similar meaning.
Is it always appropriate to use the phrase "know the truth"?
While generally acceptable, using "know the truth" might sound overly dramatic or presumptuous in certain contexts. Consider the audience and the specific situation before using this phrase. Alternatives like "understand the situation" or "grasp the facts" may be more suitable.
What is the difference between "believe the truth" and "know the truth"?
"Believe the truth" suggests accepting something as true without necessarily having definitive proof, while ""know the truth"" implies a level of certainty and confirmed understanding. Using ""know the truth"" suggests a higher degree of confidence in the accuracy of the information.
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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