Even walls may have ears.
More Russian Proverbs:
Make peace with people; wage war with your sins.Russian
The one who draws a cart is urged on.
Russian
A toad too would like to crack nuts, but he has no teeth.
Russian
The rich would have to eat money if the poor did not provide food.
Russian
There is nothing better than a rich wife and a generous mother-in-law.
Russian
As chicken is not a bird, woman is not a human being.
Russian