प्रकृतिं पुरुषं चैव विद्ध्यनादी उभावपि । विकारांश्च गुणांश्चैव विद्धि प्रकृतिसम्भवान् ॥ १३-२०॥ prakṛtiṃ puruṣaṃ caiva viddhyanādī ubhāvapi vikārāṃśca guṇāṃścaiva viddhi prakṛtisambhavān Know you that Matter (PRAKRITI) and Spirit (PURUSHA) are both beginningless; and know you also that all modifications and qualities are born of PRAKRITI. prakṛtiṃ = material nature; puruṣaṃ = the living entities; ca = also; eva = certainly; viddhi = you must know; anādi = without beginning; ubhau = both; api = also; vikārān = transformations; ca = also; guṇān = the three modes of nature; ca = also; eva = certainly; viddhi = know; prakṛti = material nature; sambhavān = produced of.;