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alt title(s): Self Fulfilling Prophecies
What's really going to bake your noodle later on is, would you still have broken it if I hadn't said anything?
The Oracle, The Matrix

One often meets his destiny on the road he takes to avoid it.
Oogway, Kung Fu Panda

DOW JONES PLUNGES ON NEWS OF DOW JONES PLUNGE...
The Onion news ticker

Whenever anyone tries to avert a prophecy, for good or ill, the end result of their actions is to bring the prophecy about. The harder he struggles to prevent it, the more inescapable his destiny becomes. Fate, it seems, loves irony.

When a hero tries to prevent the prophesied release of an ancient evil, his actions will help it escape because You Cant Fight Fate. When the Big Bad tries to slaughter all the members of a given people in order to kill the one among them who is prophesied to end him, he will only manage to create the hero that he fears, Because Destiny Says So.

One common mechanism for this is a Prophecy Twist. If no one understands the real meaning of the prophecy, any attempts to avert it will naturally be futile. A cynic will point out that by this measure, a prophecy must be vague. Otherwise it would be easy to defeat it, or else those it affects must carry an Idiot Ball and not take the direct approach that would have no room for failure.

The archetypal Older Than Dirt example is the myth of Oedipus. A prophecy says the king will be killed by his own son, so the king orders his infant son killed. (He has him crippled and abandoned in the wilderness, instead of just breaking his neck.) Oedipus is rescued, and brought up not knowing he's the prince. Twenty years later he learns his fate: he will kill his father and marry his mother. Wanting to protect his adoptive family — who he believes are his natural parents — Oedipus leaves home. On the road, he doesn't recognize his father, gets into an argument, and kills him. Shortly thereafter he comes to the city his father ruled, and frees them from the Sphinx; as a reward Oedipus is made king of the city and marries the widowed queen...his own mother. The other version of this myth involves Oedipus becoming an athlete, and a thrown discus killing his father, who was watching, by pure coincidence (another myth has another ancient Greek hero, Perseus, doing this to his grandfather, whom he was prophesied to kill).

Most of the real-world prophecies that come true are also self-fulfilling — simply stating that something will happen often ensures that it will happen someday, whether by accident or because someone read your prophecy and decided he'd make it happen. An example sometimes given is that a prediction of a bank becoming insolvent becomes true because everyone tries to withdraw their money from the bank, which (since the bank uses fractional-reserve banking) they don't have at that moment (they'd have to recall all the loans they'd given), and this then causes the bank to become insolvent. Another popular example is the fear that there will be a shortage of a commodity (especially gas). Everybody stocks up on the commodity, resulting in a shortage. Viewers Are Morons, after all.

Compare Prophetic Fallacy. Often an integral part of Tragedy. May cause a Clingy Mac Guffin.


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