Śrīmad-Bhāgavatam · Text 10.87.18
Who is speaking and story frame
उदरमुपासते य ऋषिवर्त्मसु कूर्पदृश:
परिसरपद्धतिं हृदयमारुणयो दहरम् ।
तत उदगादनन्त तव धाम शिर: परमं
पुनरिह यत् समेत्य न पतन्ति कृतान्तमुखे ॥ १८ ॥
udaram upāsate ya ṛṣi-vartmasu kūrpa-dṛśaḥ
parisara-paddhatiṁ hṛdayam āruṇayo daharam
tata udagād ananta tava dhāma śiraḥ paramaṁ
punar iha yat sametya na patanti kṛtānta-mukhe
Among the followers of the methods set forth by great sages, those with less refined vision worship the Supreme as present in the region of the abdomen, while the Āruṇis worship Him as present in the heart, in the subtle center from which all the prāṇic channels emanate. From there, O unlimited Lord, these worshipers raise their consciousness upward to the top of the head, where they can perceive You directly. Then, passing through the top of the head toward the supreme destination, they reach that place from which they will never again fall to this world, into the mouth of death.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.