May I suggest a revision?
morning, a cock was busily scratching for food in f
ront of a farmer's
house. He unexpectedly
found a glittery jewel on the ground. He mumbled to
himself "If the farmer was the one who found this precious stone, he
would be really happy. Well, it's nothing for me. I would rather have a
tiny grain than this jewel." Then, the cock walk
ed away and kept
scratching for food.