Chapter 3 · The Yoga of Action · Krishna said
Bhagavad Gita 3.43 — Conquer desire
एवं बुद्धेः परं बुद्ध्वा संस्तभ्यात्मानमात्मना। जहि शत्रुं महाबाहो कामरूपं दुरासदम् ॥
evaṃ buddheḥ paraṃ buddhvā saṃstabhyātmānamātmanā | jahi śatruṃ mahābāho kāmarūpaṃ durāsadam ||
Meaning
Knowing the Self to be beyond the intellect, and steadying the mind by the Self, mighty Arjuna, conquer this hard-to-defeat enemy in the form of desire.