The idea that our decisions are not truly only our own can seem frightening in most lights. However it makes perfect scenes. How could we possibly make only personal decisions the are solely our own and only for us when we are surrounded by others, constantly. In school and home, online. Are thought are affected by others when we intend it and event when we don’t. Because of this it is easy for us to make mistakes or be persuaded. “We use our vision more hours of the day then anything else… and if we have these predictable repeatable mistakes in vision, which we are so good at , what are the changes we won’t make even more mistakes in something we're not that good at.” (Are we in control of our own decisions, Dan Ariely). It's a human flaw we all have one that we are all blind to.
In tragedies decisions are made and actions are taken in hopes of improving things often only to make them worse. We try to fix thing for others and ourselves , how we decide to do this is often influenced by society and circumstances as well as up bringing. Oedipus wants to change his future and prevent the oracle's prophecy from coming true in his attempts to flee from the prophecy he sets it in action. If the Oracle had not told him his fortune he would have never left the kingdom of his adoptive parents , never killed his father or married his mother. His actions were persuaded by the oracle even if the thought they were his own.
This also leads to the question of is it all fate? Is it destined to happen regardless. The answer in the case of tragedies is yes; because they are written pieces of works their creators have decided how they want the story to play out and how it's going to end . Every decision made every word spoken every action taken is then predestined. It's only a matter of how apparent the writer makes the destiny appear. With the Greeks there are oracles that tell not only the main character but the audiences exactly what will happen after this point it is really only a matter or what the main character will do to avoid it how far will they go to run away from the inevitable end. In their lies the real reason for reading the tragedy you want to see how strong a characters is how much they're willing to fight for what they want, who they're willing to destroy in order to protect another. It's not the ending that matters so much as how they get their.