Bhagwad Gita
Chapter 14, Verse 23
उदासीनवदासीनो गुणैर्यो न विचाल्यते।गुणा वर्तन्त इत्येव योऽवतिष्ठति नेङ्गते।।14.23।।
He who, seated like one unconcerned, is not moved by the dualities, and who, knowing that the dualities are active, is self-centered and does not move.