don't talk the talk if you can't walk the walk

don't talk the talk if you can't walk the walk

Do not make claims that you are not able to back up with equivalent actions. Anybody can run their mouth like that, but don't talk the talk if you can't walk the walk. A: "Bah, that's not impressive. I could do that with one arm tied behind my back!" B: "Go on then, show us. Don't talk the talk if you can't walk the walk!"
See also: if, talk, walk
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
See also:
Idioms browser ?
Full browser ?