Chapter 18 · verse 19 · gita.yoga.org

Bhagavad Gita 18.19

ज्ञानं कर्म च कर्ता च त्रिधैव गुणभेदतः।प्रोच्यते गुणसंख्याने यथावच्छृणु तान्यपि

Knowledge, action, and actor are declared in the science of the Gunas (Sankhya philosophy) to be of three kinds only, according to the distinction of the Gunas. Of these, hear duly.