Śrīmad-Bhāgavatam · Text 10.72.40
Who is speaking and story frame
शत्रोर्जन्ममृती विद्वाञ्जीवितं च जराकृतम् ।
पार्थमाप्याययन् स्वेन तेजसाचिन्तयद्धरि: ॥ ४० ॥
śatror janma-mṛtī vidvāñ
jīvitaṁ ca jarā-kṛtam
pārtham āpyāyayan svena
tejasācintayad dhariḥ
Lord Kṛṣṇa knew the secret of His enemy Jarāsandha’s birth and death, and also how he had been given life by the demoness Jarā. Considering all this, Lord Kṛṣṇa imparted His special power to Bhīma.
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.