Chapter 6 · verse 12 · gita.yoga.org

Bhagavad Gita 6.12

तत्रैकाग्रं मनः कृत्वा यतचित्तेन्द्रियक्रियः। उपविश्यासने युञ्ज्याद्योगमात्मविशुद्धये

There, having made the mind one-pointed, with the actions of the mind and senses controlled, let him, seated on the seat, practice Yoga for the purification of the self.