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The resources—public and private, in terms of money and know-how—necessary for these and other programs are enormous. Thus the prospect is not for rapid breakthroughs in mental retardation, but for chipping away at a problem that will persist in major proportions indefinitely. Meanwhile, some parents will feel that they are on the same journey that Pearl Buck described in her book about her own retarded daughter, The Child Who Never Grew, that they are taking their children "over the surface of the whole earth, seeking the one who can heal."