Srimad Bhagavatam Canto-06, Chapter-16, Text-09
esa nityo ’vyayah suksma
esa sarvasrayah svadrk
atmanam srjate prabhuh
The living entity is eternal and imperishable because he actually has no beginning and no end. He never takes birth or dies. He is the basic principle of all types of bodies, yet he does not belong to the bodily category. The living being is so sublime that he is equal in quality to the Supreme Lord. Nonetheless, because he is extremely small, he is prone to be illusioned by the external energy, and thus he creates various bodies for himself according to his different desires.\
In this verse the philosophy of acintya-bhedabheda — simultaneous oneness and difference — is described. The living entity is eternal (nitya) like the Supreme Personality of Godhead, but the difference is that the Supreme Lord is the greatest, no one being equal to or greater than Him, whereas the living entity is suksma, or extremely small. The sastra describes that the magnitude of the living entity is one ten-thousandth the size of the tip of a hair. The Supreme Lord is all-pervading (andantara-stha-paramanu-cayantara-stham). Relatively, if the living entity is accepted as the smallest, there should naturally be inquiry about the greatest. The greatest is the Supreme Personality of Godhead, and the smallest is the living entity.
Another peculiar characteristic of the jiva is that he becomes covered by maya. Atmamaya-gunaih: he is prone to being covered by the Supreme Lord’s illusory energy. The living entity is responsible for his conditional life in the material world, and therefore he is described as prabhu (“the master”). If he likes he can come to this material world, and if he likes he can return home, back to Godhead. Because he wanted to enjoy this material world, the Supreme Personality of Godhead gave him a material body through the agency of the material energy. As the Lord Himself says in Bhagavad-gita (18.61):
hrd-dese ’rjuna tisthati
“The Supreme Lord is situated in everyone’s heart, O Arjuna, and is directing the wanderings of all living entities, who are seated as on a machine, made of the material energy.” The Supreme Lord gives the living entity a chance to enjoy in this material world as he desires, but He openly expresses His own desire that the living entity give up all material aspirations, fully surrender unto Him and return home, back to Godhead.
The living entity is the smallest (suksma). Jiva Gosvami says in this connection that the living entity within the body is extremely difficult for materialistic scientists to find, although we understand from authorities that the living entity is within the body. The body is different from the living entity.
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