One verse

Srimad Bhagavatam 2.5.24

2.5.24

सोऽहङ्कार इति प्रोक्तो विकुर्वन् समभूत्‍त्रिधा । वैकारिकस्तैजसश्च तामसश्चेति यद्भिदा । द्रव्यशक्ति: क्रियाशक्तिर्ज्ञानशक्तिरिति प्रभो ॥ २४ ॥

so ’hankara iti prokto vikurvan samabhut tridha vaikarikas taijasas ca tamasas ceti yad-bhida dravya-saktih kriya-saktir jnana-saktir iti prabho

sah
the very same thing
ahankarah
ego
iti
thus
proktah
said
vikurvan
being transformed
samabhut
became manifested
tridha
in three features
vaikarikah
in the mode of goodness
taijasah
in the mode of passion
ca
and
tamasah
in the mode of ignorance
ca
also
iti
thus
yat
what is
bhida
divided
dravya-saktih
powers that evolve matter
kriya-saktih
initiation that creates
jnana-saktih
intelligence that guides
iti
thus
prabho
O master

The self-centered materialistic ego, thus being transformed into three features, becomes known as the modes of goodness, passion and ignorance in three divisions, namely the powers that evolve matter, knowledge of material creations, and the intelligence that guides such materialistic activities. Narada, you are quite competent to understand this.