tad bhaktanam atmavatam sarvesam atmany atmada atmatayaiva.
tat—that; bhaktanam—of great devotees; atma-vatam—of self-realized persons like Sanaka and Sanatana; sarvesam—of all; atmani—to the Supreme Personality of Godhead, who is the soul; atma-de—who gives Himself without hesitation; atmataya—who is the Supreme Soul, Paramatma; eva—indeed.
The Supreme Personality of Godhead, who is situated in everyone’s heart as the Supersoul, sells Himself to His devotees such as Narada Muni. In other words, the Lord gives pure love to such devotees and gives Himself to those who love Him purely. Great, self-realized mystic yogis such as the four Kumaras also derive great transcendental bliss from realizing the Supersoul within themselves.
The Lord became Bali Maharaja’s doorkeeper not because of his giving everything to the Lord, but because of his exalted position as a lover of the Lord.
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