 तस्याभूत्सुमहांस्त्रासः कुत्सा चात्मन्यजायत।लङ्कां प्रदहता कर्म किंस्वित्कृतमिदं मया।। 
 Overtaken by great fear, Hanuman felt a sense of selfreproach seeing Lanka reduced to ashes, and said,  Lanka is burnt. What a heinous action has been perpetrated by me.  