One verse

Srimad Bhagavatam 3.31.43

3.31.43

देहेन जीवभूतेन लोकाल्लोकमनुव्रजन् । भुञ्जान एव कर्माणि करोत्यविरतं पुमान् ॥ ४३ ॥

dehena jiva-bhutena lokal lokam anuvrajan bhunjana eva karmani karoty aviratam puman

dehena
on account of the body
jiva-bhutena
possessed by the living entity
lokat
from one plane
lokam
to another plane
anuvrajan
wandering
bhunjanah
enjoying
eva
so
karmani
fruitive activities
karoti
he does
aviratam
incessantly
puman
the living entity.

Due to his particular type of body, the materialistic living entity wanders from one plane to another, following fruitive activities. In this way, he involves himself in fruitive activities and enjoys the result incessantly.