Mahabharata 1.57.85

आत्मानमव्ययं चैव प्रकृतिं प्रभवं परम्पुरुषं विश्वकर्माणं सत्त्वयोगं ध्रुवाक्षरम्

ātmānamavyayaṃ caiva prakṛtiṃ prabhavaṃ parampuruṣaṃ viśvakarmāṇaṃ sattvayogaṃ dhruvākṣaram

Our plain-language meaning of this verse is waiting for scholar review.