One verse

Srimad Bhagavatam 2.8.4

2.8.4

श‍ृण्वत: श्रद्धया नित्यं गृणतश्च स्वचेष्टितम् । कालेन नातिदीर्घेण भगवान् विशते हृदि ॥ ४ ॥

srnvatah sraddhaya nityam grnatas ca sva-cestitam kalena natidirghena bhagavan visate hrdi

srnvatah
of those who hear
sraddhaya
in earnestness
nityam
regularly, always
grnatah
taking the matter
ca
also
sva-cestitam
seriously by one’s own endeavor
kalena
duration
na
not
ati-dirghena
very prolonged time
bhagavan
the Personality of Godhead Sri Krsna
visate
becomes manifest
hrdi
within one’s heart.

Persons who hear Srimad-Bhagavatam regularly and are always taking the matter very seriously will have the Personality of Godhead Sri Krsna manifested in their hearts within a short time.