I know this kinda doesn't fit in the eastern philosophy section, but my ideas on this are based on my philosophy on...everything. So, the textbooks tell us he died, but no one knows why. Some think he was struck by the quiverring palm technique, others that he OD'd (this particular theory insults me), and one theory I've heard is that he became TOO strong. If such a thing is possible. The idea that his body broke down under the weight of the power he was giving it from the stress he put it under. However, I in particular am of a certain rather radical group of die hard fans that don't believe he died. There is one last theory stating that he feigned his own death, to EVERYONE, his wife, his children, the media, all of it, and just disappeared. If this is so, it is almost certainly for some spiritual purpose (that or the government forced him to disappear so he could go do something for them, they had Muhammad Ali try to free a bunch of hostages from Lebanon without anyone knowing). Perhaps he reached a point in his training where he realize that for him to proceed, he would have to be free of his image as "King of Kung Fu". So, what do you people think?