The Fox and the Crow[Aesop's Fables]

A Fox once saw a Crow fly off with a piece of cheese in its beak and
settle on a branch of a tree. "That's for me, as I am a Fox," said Master
Reynard, and he walked up to the foot of the tree. "Good-day, Mistress
Crow," he cried. "How well you are looking to-day: how glossy your
feathers; how bright your eye. I feel sure your voice must surpass that of
other birds, just as your figure does; let me hear but one song from you
that I may greet you as the Queen of Birds." The Crow lifted up her head
and began to caw her best, but the moment she opened her mouth the
piece of cheese fell to the ground, only to be snapped up by Master Fox.
"That will do," said he. "That was all I wanted. In exchange for your
cheese I will give you a piece of advice for the future ."Do not trust
flatterers."