Bhagavad Gita 3.41 Chapter 3, Verse 41

तस्मात्त्वमिन्द्रियाण्यादौ नियम्य भरतर्षभ ।
पाप्मानं प्रजहि ह्येनं ज्ञानविज्ञाननाशनम् ॥३.४१॥

tasmāttvamindriyāṇyādau niyamya bharatarṣabha
pāpmānaṃ prajahi hyenaṃ jñānavijñānanāśanam

Meaning

Therefore, O best of the Bharatas, first control the senses and then slay this sinful destroyer of knowledge and realisation.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 3.41 (Chapter 3, The Yoga of Action (Karma Yoga), Verse 41)