I also know a truth:people must toward their own ends forward along the way forward,through thick and hard,and finally achieve the ideal goal is to must pay the hard work,does not fear the difficulty,with a kind heart,and companion,help each other,unity and friendship,you think good day will this book,dorothy and her friends in order to achieve the wish,does not fear the difficulty,help each other,down the enemy,friends have to achieve their wishes,dorothy in the southern end of the good witch green help,also returned to his hometown in Texas,ended the long later in life and learning to dorothy learning difficulties in life,and to find ways to solve the study does not understand more,ask the teacher asked the students to more abundant,