a smile is worth a thousand words

proverb The gesture of smiling can convey more to others than words alone can. I win people over because I know that a smile is worth a thousand words—and that some big speech will just bore them to sleep! Yes, it took us forever to track down that doll she really wanted for Christmas, but look at how happy she is! A smile is worth a thousand words. Don't you see how he looks at you? A smile is worth a thousand words—so go talk to him!