Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 48
Sanskrit:
तस्मादद्य विधास्यामो दुर्गं द्विपददुर्गमम् ।तत्र ज्ञातीन् समाधाय यवनं घातयामहे ॥ ४८ ॥
ITRANS:
tasmād adya vidhāsyāmodurgaṁ dvipada-durgamamtatra jñātīn samādhāyayavanaṁ ghātayāmahe
Translation:
“Therefore We will immediately construct a fortress that no human force can penetrate. Let Us settle our family members there and then kill the barbarian king.”