"Passing from mouth to mouth it was
learned by a thousand, and by the time it came to be heard by the king he
learned of how a cow laid an egg!"
This saying indicates that we should take
with a grain a salt stories that have passed mouth to mouth, as they
change on the way.
The saying speaks of how a story was told
mouth to mouth, and by the time it reached the king the story changed to the
impossible of a cow laying an egg! It emphasizes that stories often
change drastically on the way and more often should not be believed than