Ramayana
न शशाकरुजंकर्तुंयुधितस्यनरोत्तमः । अथैनमभ्युपागम्यवायुर्वाक्यमुवाच ह ॥ ६-७१-१०२
Wind god (Vayu) having come to the best of men, Lakshmana, spoke to him that in battle it is not possible to injure him or kill him. ॥ 6-71-102॥
english translation
na zazAkarujaMkartuMyudhitasyanarottamaH । athainamabhyupAgamyavAyurvAkyamuvAca ha ॥ 6-71-102
hk transliteration by Sanscript