From Longman Dictionary of Contemporary Englishactions speak louder than wordsactions speak louder than wordsDOused to say that you are judged by what you do, and not by what you say → action
Examples from the Corpus
actions speak louder than words• On this playing field, actions speak louder than words.• In the kitchen, actions speak louder than words.• In any event the user's opinion of a product is reflected in the standard achieved so actions speak louder than words.• As ever, though, actions speak louder than words. 