Meaning of the word "the facts speak for themselves" in English

What does "the facts speak for themselves" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the facts speak for themselves

US /ðə fækts spiːk fɔːr ðɛmˈsɛlvz/
UK /ðə fækts spiːk fɔː ðəmˈsɛlvz/
"the facts speak for themselves" picture

Idiom

used to say that the truth of a situation is obvious and does not need further explanation

Example:
I don't need to explain why the project failed; the facts speak for themselves.
With a 50% increase in sales, the facts speak for themselves.