Śrīmad-Bhāgavatam · Text 10.47.25
Who is speaking and story frame
भगवत्युत्तम:श्लोके भवतीभिरनुत्तमा ।
भक्ति: प्रवर्तिता दिष्ट्या मुनीनामपि दुर्लभा ॥ २५ ॥
bhagavaty uttamaḥ-śloke
bhavatībhir anuttamā
bhaktiḥ pravartitā diṣṭyā
munīnām api durlabhā
By your great fortune you have established an unexcelled standard of pure devotion for the Lord, Uttamaḥśloka — a standard even the sages can hardly attain.
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.