ya idaṁ paramaṁ guhyaṁ
mad-bhakteṣv abhidhāsyati
bhaktiṁ mayi parāṁ kṛtvā
mām evaiṣyaty asaṁśayaḥ
yaḥanyone; idamthis; paramammost; guhyamconfidential; matMine; bhakteṣuamongst devotees of; abhidhāsyatiexplains; bhaktimdevotional service; mayiunto Me; parāmtranscendental; kṛtvāhaving done; māmunto Me; evacertainly; eṣyaticomes; asaṁśayaḥwithout doubt.
For one who explains the supreme secret to the devotees, devotional service is guaranteed, and at the end he will come back to Me.
Generally it is advised that Bhagavad-gītā be discussed amongst the devotees only, for those who are not devotees will neither understand Kṛṣṇa nor Bhagavad-gītā. Those who do not accept Kṛṣṇa as He is and Bhagavad-gītā as it is should not try to explain Bhagavad-gītā whimsically and become offenders. Bhagavad-gītā should be explained to persons who are ready to accept Kṛṣṇa as the Supreme Personality of Godhead. It is a subject matter for the devotees only and not for philosophical speculators. Anyone, however, who tries sincerely to present Bhagavad-gītā as it is will advance in devotional activities and reach the pure devotional state of life. As a result of such pure devotion, he is sure to go back home, back to Godhead.

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