One verse

Srimad Bhagavatam 1.19.6

1.19.6

या वै लसच्छ्रीतुलसीविमिश्र- कृष्णाङ्‌घ्रिरेण्वभ्यधिकाम्बुनेत्री । पुनाति लोकानुभयत्र सेशान् कस्तां न सेवेत मरिष्यमाण: ॥ ६ ॥

ya vai lasac-chri-tulasi-vimisra- krsnanghri-renv-abhyadhikambu-netri punati lokan ubhayatra sesan kas tam na seveta marisyamanah

ya
the river which
vai
always
lasat
floating with
sri-tulasi
tulasi leaves
vimisra
mixed
krsna-anghri
the lotus feet of the Lord, Sri Krsna
renu
dust
abhyadhika
auspicious
ambu
water
netri
that which is carrying
punati
sanctifies
lokan
planets
ubhayatra
both the upper and lower or inside and outside
sa-isan
along with Lord Siva
kah
who else
tam
that river
na
does not
seveta
worship
marisyamanah
one who is to die at any moment

The river (Ganges, by which the King sat to fast) carries the most auspicious water, which is mixed with the dust of the lotus feet of the Lord and tulasi leaves. Therefore that water sanctifies the three worlds inside and outside and even sanctifies Lord Siva and other demigods. Consequently everyone who is destined to die must take shelter of this river.