Bhagavad Gita · 3.41

तस्मात्त्वमिन्द्रियाण्यादौ नियम्य भरतर्षभ।पाप्मानं प्रजहि ह्येनं ज्ञानविज्ञाननाशनम्॥

tasmāt tvam indriyāṇy ādau niyamya bharatarṣhabha pāpmānaṁ prajahi hy enaṁ jñāna-vijñāna-nāśhanam

Therefore, O best of the Bharatas, first controlling the senses, slay this sinful destroyer of knowledge and realization.

— Bhagavad Gita 3.41

Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)