Śrīmad-Bhāgavatam · Text 10.46.25
Who is speaking and story frame
तालत्रयं महासारं धनुर्यष्टिमिवेभराट् ।
बभञ्जैकेन हस्तेन सप्ताहमदधाद् गिरिम् ॥ २५ ॥
tāla-trayaṁ mahā-sāraṁ
dhanur yaṣṭim ivebha-rāṭ
babhañjaikena hastena
saptāham adadhād girim
With the ease of a royal elephant breaking a stick, Kṛṣṇa broke a powerful, giant bow three tālas long. He also held a mountain aloft for seven days with just one hand.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.