Śrīmad-Bhāgavatam · Text 11.21.37
Who is speaking and story frame
मयोपबृंहितं भूम्ना ब्रह्मणानन्तशक्तिना ।
भूतेषु घोषरूपेण बिसेषूर्णेव लक्ष्यते ॥ ३७ ॥
mayopabṛṁhitaṁ bhūmnā
brahmaṇānanta-śaktinā
bhūteṣu ghoṣa-rūpeṇa
viseṣūrṇeva lakṣyate
As the unlimited, unchanging and omnipotent Personality of Godhead dwelling within all living beings, I personally establish the Vedic sound vibration in the form of oṁkāra within all living entities. It is thus perceived subtly, just like a single strand of fiber on a lotus stalk.
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.