We are born to be equal having pure potential, pure possibility, pure energy and pure essence. But during our early years, our individual environment starts or override and dominate our early innocence. We are told NO a lot of times and soon we start to believe that we have limitations.
A mother with a bitter divorce would say to his child that he is no good and he will never be. He is just like his father, useless. An eight-grade has been told by his music teacher that he cannot sing. So he does not have to try. She ridiculed the child in front of the class.