Chapter 4 · verse 42 · gita.yoga.org

Bhagavad Gita 4.42

तस्मादज्ञानसंभूतं हृत्स्थं ज्ञानासिनाऽऽत्मनः। छित्त्वैनं संशयं योगमातिष्ठोत्तिष्ठ भारत

Therefore, with the sword of knowledge (of the Self), cut asunder the doubt of the self, born of ignorance, residing in your heart, and take refuge in Yoga. Arise, O Arjuna!