 असन्देशात्तु रामस्य तपसश्चानुपालनात्।न त्वां कुर्मि दशग्रीव भस्म भर्मार्ह तेजसा।। 
 "O Ravana I can reduce you to ashes through the fire of my chastity. But I do not have Ramas permission and I want to preserve my power of ascetism even though you are fit to be consigned to the flames. 