One verse

Srimad Bhagavatam 11.18.44

11.18.44

इति मां य: स्वधर्मेण भजेन् नित्यमनन्यभाक् । सर्वभूतेषु मद्भ‍ावो मद्भ‍‍क्तिं विन्दते द‍ृढाम् ॥ ४४ ॥

iti māṁ yaḥ sva-dharmeṇa bhajen nityam ananya-bhāk sarva-bhūteṣu mad-bhāvo mad-bhaktiṁ vindate dṛḍhām

iti
thus
mām
Me
yaḥ
one who
sva-dharmeṇa
by his prescribed duty
bhajet
worships
nityam
always
ananya-bhāk
with no other object of worship
sarva-bhūteṣu
in all living entities
mat
of Me
bhāvaḥ
being conscious
mat-bhaktim
devotional service unto Me
vindate
achieves
dṛḍhām
unflinching

One who worships Me by his prescribed duty, having no other object of worship, and who remains conscious of Me as present in all living entities, achieves unflinching devotional service unto Me.