And know that all the powers that are in man and in every animal, such as the power of sense, the power of imagination, the power of memory, the power of visualization, and all the other powers that are attributed to all bodies, high and low, are only due to the spirit, which is due to its presence and giving life to that body, and what is absent in it is that which is absent by its taking over from that body. The aspect from which this special power is created, then understand. If the soul is completely turned away from the body, all the strength and life are removed with its disappearance. This is expressed by death, like night, when the sun sets. As for sleep, it is not a complete withdrawal, but rather a veil of vapors that prevents the strength from its sensory perceptions, with the presence of life in the sleeper, like the sun when the clouds disappear. Between it and a specific place on the earth, light would exist like life, even if the sun did not reach that place between