empty vessel makes the most sound

idiomPart ofvessel

empty vessel makes the most sound — idiom

1. used to say that people who talk a lot often have little real knowledge or subst

1.idiom
Definition

used to say that people who talk a lot often have little real knowledge or substance

Example

He kept interrupting the meeting with loud opinions, proving that an empty vessel makes the most sound.

The quiet expert in the corner knew more than the speaker — truly, an empty vessel makes the most noise.