I actually totally agree with that. The boundries are not specified but I think a person can sense them if they are really in tune with their own destiny.
**cue twilight zone music**
I just think our destiny's (ka) are broad and allow for a few turns and twists in the road to it.
One school of thought is that everything is destiny all the way down to weather or not I decide to type the next word.
word <--desitny, had to be done