Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 5
Sanskrit:
एवं निर्भर्त्सितोऽम्बष्ठ: कुपित: कोपितं गजम् । चोदयामास कृष्णाय कालान्तकयमोपमम् ॥ ५ ॥
ITRANS:
evaṁ nirbhartsito ’mbaṣṭhaḥkupitaḥ kopitaṁ gajamcodayām āsa kṛṣṇāyakālāntaka-yamopamam
Translation:
Thus threatened, the elephant-keeper became angry. He goaded his furious elephant, who appeared equal to time, death and Yamarāja, into attacking Lord Kṛṣṇa.