One verse

Srimad Bhagavatam 3.26.10

3.26.10

श्रीभगवानुवाच यत्तत्‍त्रिगुणमव्यक्तं नित्यं सदसदात्मकम् । प्रधानं प्रकृतिं प्राहुरविशेषं विशेषवत् ॥ १० ॥

sri-bhagavan uvaca yat tat tri-gunam avyaktam nityam sad-asad-atmakam pradhanam prakrtim prahur avisesam visesavat

sri-bhagavan uvaca
the Supreme Personality of Godhead said
yat
now further
tat
that
tri-gunam
combination of the three modes
avyaktam
unmanifested
nityam
eternal
sat-asat-atmakam
consisting of cause and effect
pradhanam
the pradhana
prakrtim
prakrti
prahuh
they call
avisesam
undifferentiated
visesa-vat
possessing differentiation.

The Supreme Personality of Godhead said: The unmanifested eternal combination of the three modes is the cause of the manifest state and is called pradhana. It is called prakrti when in the manifested stage of existence.