Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 16
Sanskrit:
य: सप्तहायन: शैलमुत्पाट्यैकेन पाणिना ।दधार लीलया बाल उच्छिलीन्ध्रमिवार्भक: ॥ १६ ॥
ITRANS:
yaḥ sapta-hāyanaḥ śailamutpāṭyaikena pāṇinādadhāra līlayā bālaucchilīndhram ivārbhakaḥ
Translation:
“As a child of seven, Kṛṣṇa uprooted an entire mountain and held it aloft as easily as a young boy picks up a mushroom.