Since his life was in danger, he touched water in sanctity and concentrated upon the chanting of the hymns for throwing nuclear weapons, although he did not know how to withdraw such weapons.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
अथोपस्पृश्य सलिलं सन्दधे तत्समाहितः । अजानन्नुपसंहारं प्राणकृच्छ्र उपस्थिते
athopaspṛśya salilaṃ sandadhe tatsamāhitaḥ | ajānannupasaṃhāraṃ prāṇakṛcchra upasthite
SB 1.7.20