Śrīmad-Bhāgavatam · Text 10.41.31
Who is speaking and story frame
ऊचु: पौरा अहो गोप्यस्तप: किमचरन्महत् ।
या ह्येतावनुपश्यन्ति नरलोकमहोत्सवौ ॥ ३१ ॥
ūcuḥ paurā aho gopyas
tapaḥ kim acaran mahat
yā hy etāv anupaśyanti
nara-loka-mahotsavau
The women of Mathurā exclaimed: Oh, what severe austerities the gopīs must have performed to be able to regularly see Kṛṣṇa and Balarāma, who are the greatest source of pleasure for all mankind!
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.
From 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.