Śrīmad-Bhāgavatam · Text 11.21.36
Who is speaking and story frame
शब्दब्रह्म सुदुर्बोधं प्राणेन्द्रियमनोमयम् ।
अनन्तपारं गम्भीरं दुर्विगाह्यं समुद्रवत् ॥ ३६ ॥
śabda-brahma su-durbodhaṁ
prāṇendriya-mano-mayam
ananta-pāraṁ gambhīraṁ
durvigāhyaṁ samudra-vat
The transcendental sound of the Vedas is very difficult to comprehend and manifests on different levels within the prāṇa, senses and mind. This Vedic sound is unlimited, very deep and unfathomable, just like the ocean.
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.