Srimad-Bhagavatam: Canto 6 - Chapter 1 - Verse 8
Sanskrit:
ममर्द पद्भ्यां सुरसैन्यमातुरंनिमीलिताक्षं रणरङ्गदुर्मद: ।गां कम्पयन्नुद्यतशूल ओजसानालं वनं यूथपतिर्यथोन्मद: ॥ ८ ॥
ITRANS:
mamarda padbhyāṁ sura-sainyam āturaṁnimīlitākṣaṁ raṇa-raṅga-durmadaḥgāṁ kampayann udyata-śūla ojasānālaṁ vanaṁ yūtha-patir yathonmadaḥ
Translation:
As the demigods closed their eyes in fear, Vṛtrāsura, taking up his trident and making the earth tremble with his great strength, trampled the demigods beneath his feet on the battlefield the way a mad elephant tramples hollow bamboos in the forest.