This section is from the book "The Sacred Book Of Death", by Lauron William De Laurence. Also available from Amazon: The Sacred Book of Death - Hindu Spiritism Soul Transition and Soul Reincarnation.
Those who deserve to be numbered among the advanced students of Occultism must first realize this great truth, for ye may fail to fulfill a law, but none of ye can break or destroy a law by skepticism.
The soul is immortal and eternal, its law is eternal existence. Every soul continues to develop and increase in growth, power and understanding up to the minute of its departure from the body. Why does it depart? For this is what ye western people call death. My answer to you is simply because it can make no other progress in its present condition; that is while it remains in the body, but why should any sane person be so foolish as to assume that there is a cessation of existence? Is it any sign that because a drop, body or stream of water is drawn up and attracted toward the sun that it ceases to exist entirely? Certainly not so, for it only changes its condition of existence.
The only actual and essential difference between the existence of the soul while it inhabits the body and after it ceases to inhabit it and ascends to the Astral Plane is that it becomes, strictly speaking, "Clairvoyant," it being literally spiritual in its existence and no longer encumbered with the physical organism, its sense of preception is spiritual instead of material and of course becomes Clairvoyant
 
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