प्रकृतिं पुरुषं चैव विद्ध्यनादी उभावपि।
विकारांश्च गुणांश्चैव विद्धि प्रकृतिसंभवान्।।13.20।।
13.20. Both the Material Cause and the Soul too are beginningless, you should know this; you should also know that the modifications and Strands are born of the Material Cause.
13.20 See Comment under 13.23
Prakritim purusham chaiva viddhyaanaadee ubhaavapi; Vikaaraamshcha gunaamshchaiva viddhi prakritisambhavaan.
prakṛitim—material nature; puruṣham—the individual souls; cha—and; eva—indeed; viddhi—know; anādī—beginningless; ubhau—both; api—and; vikārān—transformations (of the body); cha—also; guṇān—the three modes of nature; cha—and; eva—indeed; viddhi—know; prakṛiti—material energy; sambhavān—produced by