Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 40
Sanskrit:
तस्मात् सर्वात्मना राजन् ब्राह्मणान् ब्रह्मवादिन: ।तपस्विनो यज्ञशीलान् गाश्च हन्मो हविर्दुघा: ॥ ४० ॥
ITRANS:
tasmāt sarvātmanā rājanbrāhmaṇān brahma-vādinaḥtapasvino yajña-śīlāngāś ca hanmo havir-dughāḥ
Translation:
O King, we, who are your adherents in all respects, shall therefore kill the Vedic brāhmaṇas, the persons engaged in offering sacrifices and austerities, and the cows that supply milk, from which clarified butter is obtained for the ingredients of sacrifice.