I have been very much astonished to see your endurance. In spite of being eaten and bitten by all kinds of worms and ants, you are keeping your life air circulating within your bones. Certainly this is wonderful.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
अद्राक्षमहमेतत्ते हृत्सारं महदद्भुतम् । दंशभक्षितदेहस्य प्राणा ह्यस्थिषु शेरते
adrākṣamahametatte hṛtsāraṃ mahadadbhutam | daṃśabhakṣitadehasya prāṇā hyasthiṣu śerate
SB 7.3.18