One verse

Srimad Bhagavatam 10.41.31

10.41.31

ऊचु: पौरा अहो गोप्यस्तप: किमचरन्महत् । या ह्येतावनुपश्यन्ति नरलोकमहोत्सवौ ॥ ३१ ॥

ūcuḥ paurā aho gopyas tapaḥ kim acaran mahat yā hy etāv anupaśyanti nara-loka-mahotsavau

ūcuḥ
said
paurāḥ
the women of the city
aho
ah
gopyaḥ
the cowherd girls (of Vṛndāvana)
tapaḥ
austerity
kim
what
acaran
have executed
mahat
great
yāḥ
who
hi
indeed
etau
these two
anupaśyanti
constantly see
nara-loka
for human society
mahā-utsavau
who are the greatest source of pleasure

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!