One verse

Srimad Bhagavatam 6.16.57

6.16.57

यदेतद्विस्मृतं पुंसो मद्भ‍ावं भिन्नमात्मन: । तत: संसार एतस्य देहाद्देहो मृतेर्मृति: ॥ ५७ ॥

yad etad vismrtam pumso mad-bhavam bhinnam atmanah tatah samsara etasya dehad deho mrter mrtih

yat
which
etat
this
vismrtam
forgotten
pumsah
of the living entity
mat-bhavam
My spiritual position
bhinnam
separation
atmanah
from the Supreme Soul
tatah
from that
samsarah
material, conditional life
etasya
of the living entity
dehat
from one body
dehah
another body
mrteh
from one death
mrtih
another death.

When a living entity, thinking himself different from Me, forgets his spiritual identity of qualitative oneness with Me in eternity, knowledge and bliss, his material, conditional life begins. In other words, instead of identifying his interest with Mine, he becomes interested in his bodily expansions like his wife, children and material possessions. In this way, by the influence of his actions, one body comes from another, and after one death, another death takes place.