One verse

Srimad Bhagavatam 6.9.48

6.9.48

किं दुरापं मयि प्रीते तथापि विबुधर्षभा: । मय्येकान्तमतिर्नान्यन्मत्तो वाञ्छति तत्त्ववित् ॥ ४८ ॥

kim durapam mayi prite tathapi vibudharsabhah mayy ekanta-matir nanyan matto vanchati tattva-vit

kim
what
durapam
difficult to obtain
mayi
when 1
prite
satisfied
tathapi
still
vibudha-rsabhah
O best of the intelligent demigods
mayi
in Me
ekanta
exclusively fixed
matih
whose attention
na anyat
not anything other
mattah
than Me
vanchati
desires
tattva-vit
one who knows the truth.

O best of the intelligent demigods, although it is true that nothing is difficult for one to obtain when I am pleased with him, a pure devotee, whose mind is exclusively fixed upon Me, does not ask Me for anything but the opportunity to engage in devotional service.