Chapter 3 · verse 24 · gita.yoga.org
Bhagavad Gita 3.24
उत्सीदेयुरिमे लोका न कुर्यां कर्म चेदहम्। सङ्करस्य च कर्ता स्यामुपहन्यामिमाः प्रजाः
These worlds would perish if I did not perform action; I would be the author of confusion of castes and destruction of these beings.