Why Oedipus deserve sympathy in Oedipus?

Many people plan their lives on a daily basis, while others may plan theirs on a weekly basis. Whatever the case maybe, I feel that we all should just live and enjoy life for the moment because we never know when we may become victims of fate. In other words, only God can decide what will happen and we cannot change that no matter how we may try to avoid it. In the play Oedipus by Sophocles, Oedipus tries to avoid the "actions prophesied, before his birth, by Apollo." He feels that he can master mind the oracles by leaving Corinth. However with all the intellect, he has no idea that he will run into his downfall. Therefore, I feel Oedipus deserves sympathy in the play Oedipus.

The fact that Oedipus does not know that King Polybus and Merope are not his biological parents helps sympathize with his downfall. Oedipus thinks that if he leaves Corinth and ...