somebody or nobody

somebody or nobody Either you are somebody,or you ain't nobody. do u want to be somebody or nobody?why? everybody somebody anybody nobody ? somebody、anybody、nobody 由somebody变成nobody是什么意思 I am somebody,but nobody from nobody to somebody是什么意思? Somebody Help me.Or, thankful for somebody or thankful to somebody （something ,nothing ,anywhere ,nobody ,anything ,somebody ,a anybody,nobody,everybody,somebody的区别恩