(something) speaks for itself
(something) speaks for itself
The qualities or characteristics of something are obvious or prevalent enough that they do not need an explanation. Some may question the methods we've chosen, but the result of this effort speaks for itself. A truly good movie shouldn't need someone to explain or defend it—it should be able to speak for itself. I think this book speaks for itself, and yet I still have to analyze it for my book report for English class. Sigh.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.