Change is not merely necessary to life; it is life. By the same token, life is adaptation. There are, however, limits on adaptability. When we alter … - Alvin Toffler

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Change is not merely necessary to life; it is life. By the same token, life is adaptation. There are, however, limits on adaptability. When we alter our life style, when we make and break relationships with things, places or people, when we move restlessly through the organizational geography of society, when we learn new information and ideas, we adapt; we live. Yet there are finite boundaries; we are not infinitely resilient. Each orientation response, each adaptive reaction exacts a price, wearing down the body's machinery bit by minute bit, until perceptible tissue damage results. Thus man remains in the end what he started as in the beginning: a biosystem with a limited capacity for change. When this capacity is overwhelmed, the consequence is future shock.