Do you? I for one don't, I believe that you have the ability to shape your own destiny/fate, and that most of the time, events, whether fortunate or unfortunate, were brought upon you by non other than your self.
For those of you who don't know what predestination is, it's believing that your destiny is already determined, and no matter what you do, there's no way to avoid it. The movie Premonition is a good example:
Don't read if you don't want the movie spoiled for you:
Spoiler for Example: