tam eva saranam gaccha sarva-bhavena bharata tat-prasadat param shantim sthanam prapsyasi sasvatam
Translation
O scion of Bharata, surrender unto Him utterly. By His grace you will attain transcendental peace and the supreme and eternal abode.
Commentary by Srila Prabhupada
A living entity should therefore surrender unto the Supreme Personality of Godhead, who is situated in everyone’s heart, and that will relieve him from all kinds of miseries of this material existence. By such surrender, not only will one be released from all miseries in this life, but at the end he will reach the Supreme God. The transcendental world is described in the Vedic literature (Rig Veda 1.22.20) as tad visnoh paramam padam. Since all of creation is the kingdom of God, everything material is actually spiritual, but paramam padam specifically refers to the eternal abode, which is called the spiritual sky or Vaikuntha.
In the Fifteenth Chapter of Bhagavad-gita it is stated, sarvasya caham hridi sannivistah: the Lord is seated in everyone’s heart. So this recommendation that one should surrender unto the Supersoul sitting within means that one should surrender unto the Supreme Personality of Godhead, Krishna. Krishna has already been accepted by Arjuna as the Supreme. He was accepted in the Tenth Chapter as param brahma param dhama. Arjuna has accepted Krishna as the Supreme Personality of Godhead and the supreme abode of all living entities, not only because of his personal experience but also because of the evidence of great authorities like Narada, Asita, Devala and Vyasa.
Commentary by Sri Visvanatha Cakravarti Thakur
This verse explains the purpose of the knowledge just revealed: take shelter of that Lord. You will attain the cessation of vidya and avidya (param santim) and then you will attain my eternal place Vaikuntha (sasvatam sthanam). This surrender to the antryami is for worshippers of the antaryami (paramatma) whereas the worshippers of bhagavan surrender to bhagavan, which will be explained later. This is the opinion of some concerning this verse.
"My Lord Sri Krishna, is my guru, and give me instructions which are beneficial for my bhakti. I surrender unto him." In this way, a person will think. Uddhava says:
O my Lord! Transcendental poets and experts in spiritual science could not fully express their indebtedness to You, even if they were endowed with the prolonged lifetime of Brahma, for You appear in two features - externally as the acarya and internally as the Supersoul - to deliver the embodied living being by directing him how to come to You. SB 11.29.6
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