One verse

Srimad Bhagavatam 1.2.7

1.2.7

वासुदेवे भगवति भक्तियोग: प्रयोजित: । जनयत्याशु वैराग्यं ज्ञानं च यदहैतुकम् ॥ ७ ॥

vasudeve bhagavati bhakti-yogah prayojitah janayaty asu vairagyam jnanam ca yad ahaitukam

vasudeve
unto Krsna
bhagavati
unto the Personality of Godhead
bhakti-yogah
contact of devotional service
prayojitah
being applied
janayati
does produce
asu
very soon
vairagyam
detachment
jnanam
knowledge
ca
and
yat
that which
ahaitukam
causeless.

By rendering devotional service unto the Personality of Godhead, Sri Krsna, one immediately acquires causeless knowledge and detachment from the world.