I thought it would best be described in a picture:
Now this is just a visual metaphor for the concept that I am talking about. You and I don't really see the spirits and souls flowing in and out of the mesh of life on earth. But it is something to think about. And if this is really happening then why?
Some interesting stats about life/death About 150,000 people die every day and 350, 000 are born every day. Its quite a large number of spirit souls isn't it? Well of course I haven't really verified those facts but here is a very interesting site with some mind boggling statistics. Click on the daily button The World Clock