One verse

Srimad Bhagavatam 2.2.19

2.2.19

इत्थं मुनिस्तूपरमेद् व्यवस्थितो विज्ञानद‍ृग्वीर्यसुरन्धिताशय: । स्वपार्ष्णिनापीड्य गुदं ततोऽनिलं स्थानेषु षट्‍सून्नमयेज्जितक्लम: ॥ १९ ॥

ittham munis tuparamed vyavasthito vijnana-drg-virya-surandhitasayah sva-parsninapidya gudam tato ’nilam sthanesu satsunnamayej jita-klamah

ittham
thus, by Brahman realization
munih
the philosopher
tu
but
uparamet
should retire
vyavasthitah
well situated
vijnana-drk
by scientific knowledge
virya
strength
su-randhita
well regulated
asayah
aim of life
sva-parsnina
with the heel of one’s foot
apidya
by blocking
gudam
the air hole
tatah
thereafter
anilam
life air
sthanesu
in the places
satsu
six primary
unnamayet
must be lifted
jita-klamah
by extinguishing material desires

By the strength of scientific knowledge, one should be well situated in absolute realization and thus be able to extinguish all material desires. One should then give up the material body by blocking the air hole (through which stool is evacuated) with the heel of one’s foot and by lifting the life air from one place to another in the six primary places.