Chapter 18 · verse 16 · gita.yoga.org

Bhagavad Gita 18.16

तत्रैवं सति कर्तारमात्मानं केवलं तु यः।पश्यत्यकृतबुद्धित्वान्न स पश्यति दुर्मतिः

Now, such being the case, verily he who, owing to an untrained understanding, looks upon his Self, which is isolated, as the agent, he of perverted intelligence does not see.