CCLIII Vyasa said, Those that are conversant with the scriptures behold, with the aid of acts laid down in the scriptures, the Soul which is clothed in a subtile body and is exceedingly subtile and which is dissociated from the gross body in which it resides As the rays of the Sun that course in dense masses through every part of the firmament are incapable of being seen by the naked eye though their existence is capable of being inferred by reason, after the same manner, existent beings freed from gross bodies and wandering in the universe are beyond the ken of human vision As the effulgent disc of the Sun is beheld in the water in a counter-image, after the same manner the Yogin beholds within gross bodies the existent self in its counter-image
All those souls again that are encased in subtile forms after being freed from the gross bodies in which they resided, are perceptible to Yogins who have subjugated their senses and who are endued with knowledge of the soul. Indeed, aided by their own souls, Yogins behold those invisible beings. Whether asleep or awake, during the day as in the night, and during the night as in day time, they who apply themselves to Yoga after casting off all the creations of the understanding and the Rajas born of acts, as also the very puissance that Yoga begets, succeed in keeping their linga form under complete control The Jiva that dwells in such Yogins, always endued with the seven subtile entities viz, Mahat, consciousness, and the five tanmatras of the five elemental entities, roves in all regions of bliss, freed from decrepitude and death. I say always, and freed from death' only in accordance with the common form of speech, for in reality, that linga form is terminable That man, however, who without having been able to transcend them is under the influence of his mind and understanding, discriminates, even in his dreams, his own body from that of another and experiences even then both pleasure and pain Yes, in even his dreams he enjoys happiness and suffers misery; and yielding to wrath and cupidity, meets with calamities of various kinds. In his dreams he acquires great wealth and feels highly gratified: accomplishes meritorious acts, and sees and hears, etc as he does in his wakeful hours. Wonderful it is to note that jiva, which has to lie within the uterus and amid much internal heat, and which has to pass a period of full ten months in that place, is not digested and reduced to destruction like food within the stomach.
Men overwhelmed by the qualities of Rajas and Tamas never succeed in beholding within the gross body: the Jiva-soul which is a portion of the Supreme Soul of transcendent effulgence and which lies within the heart of every creature. They who betake themselves to the science of Yoga for the purpose of obtaining a knowledge of that Soul transcending the inanimate and gross body, the imperceptible linga body, and the karana body that is not destroyed on the occasion of even the universal destruction Amongst the duties that have been laid down for the different modes of life including the fourth mode or Sannyasa, these to which I have adverted, which have yoga for their foremost, and which imply a cessation of every operation of the Mind and the understanding, have been laid down by Sandilya in the Chandogya Upanishad Having comprehended the seven subtile entities viz, the senses, the objects of the mind, Mind, Understanding, Mahat, Unmanifest or Prakriti, and Purusha, having comprehended also the Supreme cause of the universe with the six attributes viz, omniscience, contentment, unlimited comprehension, independence, eternal wakefulness, and omnipotence, and lastly having understood that the universe is only a modification of Avidya endued with the three qualities, one succeeds in beholding guided by the scriptures, high Brahma