Can you please, give me more idioms that mean "Walls have ears" some famous ones?
'Careless talk costs lives' was used in the war as a slogan with a similar meaning and is still used sometimes.
Tdol, there is also the caption, "Loose Lips Sink Ships" from World War 2 posters.
Are you thinking about the issue of keeping secrets, maiabulela?
Here is a well-known quotation in the United States: Three may keep a secret, if two of them are dead. ~ Benjamin Franklin
My grandmother often used a saying common to her generation: "Little pictures have big ears." It was difficult for the children to realize that she was refering to them, listening to the adult conversations.
"A secret is like a dove; when it leaves my hand it take wing" maybe, I think, means that to keep secret is difficult. And it also means when you tell a secret to some others, more people will know it quickly.
"walls have ears" means, perhaps, that you must pay attention yourself's secret, not to let another to know your secret. Sometimes you will give your secret to another unconsciously.
I have seen an English war poster with two talking soldiers behind the wall and a big ear at this wall. The poster was subtitled "Careless talk costs lives". England and America won the Second World War thanks to their military intelligences and inducing their enemies into error.
Some big operations (landing at Normandy for instance) would not be possible if anyone spoke about it carelessly.
Compared to the size of the human hand, the handle stays about the same size. But viewed in relation to the size of the pitcher, it looked like the little pitcher had big ears (the hole for your finger to go through in order to grab it.)
Little pitchers have big ears.
Can mean anything from "don't tell secrets around children" to "watch your language or the neighborhood kinds will be cussing since you are."