One verse

Srimad Bhagavatam 7.15.37

7.15.37

यै: स्वदेह: स्मृतोऽनात्मा मर्त्यो विट्कृमिभस्मवत् । त एनमात्मसात्कृत्वा श्लाघयन्ति ह्यसत्तमा: ॥ ३७ ॥

yaih sva-dehah smrto ’natma martyo vit-krmi-bhasmavat ta enam atmasat krtva slaghayanti hy asattamah

yaih
by sannyasis who
sva-dehah
own body
smrtah
consider
anatma
different from the soul
martyah
subjected to death
vit
becoming stool
krmi
worms
bhasma-vat
or ashes
te
such persons
enam
this body
atmasat krtva
again identifying with the self
slaghayanti
glorify as very important
hi
indeed
asat-tamah
the greatest rascals.

Sannyasis who first consider that the body is subject to death, when it will be transformed into stool, worms or ashes, but who again give importance to the body and glorify it as the self, are to be considered the greatest rascals.