How to Be Prepared for the After Life

Every group of people have different concepts and beliefs about the afterlife. Various religions also have different beliefs too, which is fine, as my motto is each to their own.
One thing that I believe with all my heart is that there is only one truth. We may have different interpretations of the truth or versions, but the fact remains that there is one truth.
This piece of literature is about finding out what some religions and spiritual groups think about the human soul and the places we go when we leave this time-and-space reality.