One day a man found an eagle egg and planted his chicken. Bashny.Net

Eaglet grew up with chickens and become like them: he cackled as they dug into the ground in search of worms, flapped their wings and tried to fly.

Years passed. I have already raised the eagle saw the proud bird in the sky.

With extraordinary grace she overcame the wind, occasionally waving his large wings.

Enchanted, the eagle said:
 - Who is it?
 - It is an eagle, the king of all birds, - replied the neighbor. - He belongs to the sky. And we, chickens, belong to the earth.
So the eagle lived and died a chicken like chicken, because he believed in his chicken origin.

Your environment affects you, whether you like it or not, remember it, and that the limiting beliefs that environment are not at all a measure of your ability.