One verse

Srimad Bhagavatam 11.11.47

11.11.47

इष्टापूर्तेन मामेवं यो यजेत समाहित: । लभते मयि सद्भ‍‍क्तिं मत्स्मृति: साधुसेवया ॥ ४७ ॥

iṣṭā-pūrtena mām evaṁ yo yajeta samāhitaḥ labhate mayi sad-bhaktiṁ mat-smṛtiḥ sādhu-sevayā

iṣṭā
by sacrificial performances for one’s own benefit
pūrtena
and pious works for the benefit of others, such as digging wells
mām
Me
evam
thus
yaḥ
one who
yajeta
worships
samāhitaḥ
with mind fixed in Me
labhate
such a person obtains
mayi
in Me
sat-bhaktim
unflinching devotional service
mat-smṛtiḥ
realized knowledge of Me
sādhu
with all superior qualities
sevayā
by service

One who has executed sacrificial performances and pious works for My satisfaction, and who thus worships Me with fixed attention, obtains unflinching devotional service unto Me. By the excellent quality of his service such a worshiper obtains realized knowledge of Me.