Śrīmad-Bhāgavatam · Text 11.29.23
Who is speaking and story frame
एष तेऽभिहित: कृत्स्नो ब्रह्मवादस्य सङ्ग्रह: ।
समासव्यासविधिना देवानामपि दुर्गम: ॥ २३ ॥
eṣa te ’bhihitaḥ kṛtsno
brahma-vādasya saṅgrahaḥ
samāsa-vyāsa-vidhinā
devānām api durgamaḥ
Thus have I related to you — both in brief and in detail — a complete survey of the science of the Absolute Truth. Even for the demigods, this science is very difficult to comprehend.
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.