Śrīmad-Bhāgavatam · Text 11.27.23
Who is speaking and story frame
पिण्डे वाय्वग्निसंशुद्धे हृत्पद्मस्थां परां मम ।
अण्वीं जीवकलां ध्यायेन्नादान्ते सिद्धभाविताम् ॥ २३ ॥
piṇḍe vāyv-agni-saṁśuddhe
hṛt-padma-sthāṁ parāṁ mama
aṇvīṁ jīva-kalāṁ dhyāyen
nādānte siddha-bhāvitām
The worshiper should meditate upon My subtle form — which is situated within the worshiper’s own body, now purified by air and fire — as the source of all living entities. This form of the Lord is experienced by self-realized sages in the last part of the vibration of the sacred syllable om.
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.