On its return journey the soul shows the same phenomenon in a different way; freed from all the impressions of illness, sadness and misery which it has experienced while on the earth, and has taken into the spirit world, it heals its own being, and renews the tissues of that body, which still remains with it after it has left the physical form. It purifies itself from all illness and the impression of illness, and thus renews the life in the spirit world in accordance to its grade of evolution. But apart from evolution it is the tendency of the soul to repel all that is foreign to it, either from the physical body, or from the mental body which it still has in the spirit world. The soul is on a continual journey, on whatever plane it is; it is journeying all the time, and on this journey it has a purpose to accomplish; many purposes contained and hidden in one purpose.