I don't post very often and I am definitely not into scientific theories so please cut some slack on me if I don't sound coherent.
My understanding of the spiritual law that Ron mentioned is that, it exists because we all have our own individual journeys to trod through before we can be ready for the next milestone.
Many of us go through an intense spiritual awakening after going through a lot of pain, suffering, growth, lessons. Everyone has a different route, and thus, a different time span.
This is not restricted to within one lifetime, our 'lessons' take place over several lifetimes, well if some of you read erin's blog you will know what I am talking about. Basically if you don't learn your supposed lesson this lifetime you'll just have to do it over the next.
The reason why the spirits are not allowed to change the mind of a skeptic is because the skeptic in question would not have been 'ready'. If this particular person has not been through enough 'spiritual growth', then it would be akin to teaching a elementary school kid complicated science theories.
If one is truly ready, then he/she wouldn't even need to be shown proof. I have never seen a spirit myself, but I simply know and believe they exist. If one day they decide to show up in front of me I'll probably be a little ruffled but I won't go nuts because I already know they're there all this while.
Spiritual growth and lessons are not stuff that can be explained in words. I cannot really explain how I come to this stage of my life, or how come some people start to question their faiths and some people just don't.
Some of us know there is a different world out there, different from what we're brought up to believe, not because we are really skeptics, but because somehow we can feel the other reality. Probably in our previous lifetimes we have done enough to be spiritually aware.
I am writing this from my own spiritual p.o.v in an attempt to answer your questions above so please do not start a flame war on me if you cannot accept what I wrote.
