Adhyāya 4Ch 4•Verse 13
"According to the three modes of material nature an..."
Adhyāya 4 • Shloka 13
चातुर्वर्ण्यं मया सृष्टं गुणकर्मविभागश: | तस्य कर्तारमपि मां विद्ध्यकर्तारमव्ययम् || १३ ||
cātur-varṇyaṃ mayā sṛṣṭaṃ guṇa-karma-vibhāgaśaḥ | tasya kartāram api māṃ viddhy akartāram avyayam || 13 ||
"According to the three modes of material nature and the work associated with them, the four divisions of human society are created by Me. And although I am the creator of this system, you should know that I am yet the nondoer, being unchangeable."