I've come to the conclusion that according to the story of 'original sin', sin requires two aspects: The knowledge of good and evil + an action which is against God's will. In other words, simply committing a sinful act is not enough. One must also know the difference between good and evil. I've come to this conclusion because it was only after eating the fruit of the knowledge of good and evil would Adam and Eve die (the spiritual result of sin). My wife doesn't like this, so I decided to throw it out there and see how it flies.