One verse

Srimad Bhagavatam 11.13.23

11.13.23

पञ्चात्मकेषु भूतेषु समानेषु च वस्तुत: । को भवानिति व: प्रश्न‍ो वाचारम्भो ह्यनर्थक: ॥ २३ ॥

pañcātmakeṣu bhūteṣu samāneṣu ca vastutaḥ ko bhavān iti vaḥ praśno vācārambho hy anarthakaḥ

pañca
of five elements
ātmakeṣu
made of
bhūteṣu
thus existing
samāneṣu
being the same
ca
also
vastutaḥ
in essence
kaḥ
who
bhavān
are You
iti
thus
vaḥ
your
praśnaḥ
question
vācā
merely with words
ārambhaḥ
such an endeavor
hi
certainly
anarthakaḥ
without real meaning or purpose

If by asking Me “Who are You?” you were referring to the material body, then I must point out that all material bodies are constituted of five elements, namely earth, water, fire, air and ether. Thus, you should have asked, “Who are you five?” If you consider that all material bodies are ultimately one, being constituted essentially of the same elements, then your question is still meaningless, since there would be no deep purpose in distinguishing one body from another. Thus, it appears that in asking My identity, you are merely speaking words, without any real meaning or purpose.