Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 9
Sanskrit:
पदा सव्येन तां साधो भगवान् यज्ञसूकर: ।लीलया मिषत: शत्रो: प्राहरद्वातरंहसम् ॥ ९ ॥
ITRANS:
padā savyena tāṁ sādhobhagavān yajña-sūkaraḥlīlayā miṣataḥ śatroḥprāharad vāta-raṁhasam
Translation:
O saintly Vidura, while His enemy looked on, the Lord in His boar form, the enjoyer of all sacrificial offerings, playfully knocked down the mace with His left foot, even as it came upon Him with the force of a tempest.