One verse

Srimad Bhagavatam 4.12.4

4.12.4

अहं त्वमित्यपार्था धीरज्ञानात्पुरुषस्य हि । स्वाप्नीवाभात्यतद्ध्यानाद्यया बन्धविपर्ययौ ॥ ४ ॥

aham tvam ity apartha dhir ajnanat purusasya hi svapnivabhaty atad-dhyanad yaya bandha-viparyayau

aham
I
tvam
you
iti
thus
apartha
misconceived
dhih
intelligence
ajnanat
from ignorance
purusasya
of a person
hi
certainly
svapni
a dream
iva
like
abhati
appears
a-tat-dhyanat
from the bodily concept of life
yaya
by which
bandha
bondage
viparyayau
and misery.

Misidentification of oneself and others as and yo on the basis of the bodily concept of life is a product of ignorance. This bodily concept is the cause of repeated birth and death, and it makes us go on continuously in material existence.