Bhagwad Gita
Chapter 13, Verse 20
प्रकृतिं पुरुषं चैव विद्ध्यनादी उभावपि।विकारांश्च गुणांश्चैव विद्धि प्रकृतिसंभवान्।।13.20।।
Material nature and the living entities should be understood to be beginningless. Their transformations and the modes of matter are products of material nature.