[Lewis.]

I like this idea but I've always challenged it with the idea that the population has grown over time; if everyone was someone in a past life and the same souls have been here since the start but have just passed on through different life's, how can the population increase... it would mean that the world would have had to have started with the same amount of people there are today - unless your soul passes through more than just the human form, passing through the form of any living molecule, animal or even plant. There are trillions and trillions of living things in the universe. It's something I often wonder about, as is the concept of space being never ending because you just can't quite get your head around it. Strange.