Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 11
Sanskrit:
स धावन् क्रीडया भूमौ पतित्वा सहसोत्थित: । तं मत्वा पतितं क्रुद्धो दन्ताभ्यां सोऽहनत्क्षितिम् ॥ ११ ॥
ITRANS:
sa dhāvan kṛīdayā bhūmaupatitvā sahasotthitaḥtam matvā patitaṁ kruddhodantābhyāṁ so ’hanat kṣitim
Translation:
As Kṛṣṇa dodged about, He playfully fell on the ground and quickly got up again. The raging elephant, thinking Kṛṣṇa was down, tried to gore Him with his tusks but struck the earth instead.