"We believe we must be the family of America, recognizing that at the heart of the matter we are bound one to another, that the problems of a retired school teacher in Duluth are our problems; that the future of the child — that the future of the child in Buffalo is our future; that the struggle of a disabled man in Boston to survive and live decently is our struggle; that the hunger of a woman in Little Rock is our hunger; that the failure anywhere to provide what reasonably we might, to avoid pain, is our failure."