prāṇā hy asthiṣu śerate

adraksam-have personally seen; aham-I; etam-this; te-your; hrt-saram-power of endurance; mahat-very great; adbhutam-wonderful; damsa-bhaksita-eaten by worms and ants; dehasya-whose body; pranah-the life air; hi-indeed; asthisu-in the bones; serate-is taking shelter.