Chapter 3 · verse 40 · gita.yoga.org

Bhagavad Gita 3.40

इन्द्रियाणि मनो बुद्धिरस्याधिष्ठानमुच्यते। एतैर्विमोहयत्येष ज्ञानमावृत्य देहिनम्

The senses, the mind, and the intellect are said to be its seat; through these, it deludes the embodied one, veiling their wisdom.