One verse

Srimad Bhagavatam 10.86.52

10.86.52

देवा: क्षेत्राणि तीर्थानि दर्शनस्पर्शनार्चनै: । शनै: पुनन्ति कालेन तदप्यर्हत्तमेक्षया ॥ ५२ ॥

devāḥ kṣetrāṇi tīrthāni darśana-sparśanārcanaiḥ śanaiḥ punanti kālena tad apy arhattamekṣayā

devāḥ
temple deities
kṣetrāṇi
pilgrimage sites
tīrthāni
and sacred rivers
darśana
by being seen
sparśana
being touched
arcanaiḥ
and being worshiped
śanaiḥ
gradually
punanti
purify
kālena
with time
tat api
the same
arhat-tama
of those (brāhmaṇas) who are most worshipable
īkṣayā
by the glance

One can gradually become purified by seeing, touching and worshiping temple deities, places of pilgrimage and holy rivers. But one can attain the same result immediately simply by receiving the glance of exalted sages.