The answer is Self-fulfilling prophecy. This is an expectation that straightforwardly or in a roundabout way makes itself turn out to be valid, by the very terms of the prescience itself, because of positive criticism amongst conviction and conduct. In spite of the fact that cases of such predictions can be found in writing as far back as antiquated Greece and old India, it is twentieth century humanist Robert K. Merton who is credited with begetting the articulation "unavoidable outcome" and formalizing its structure and results.