 तस्य संदिदिहे बुद्धिर्मुहुः सीतां निरीक्ष्य तु।आम्नायानामयोगेन विद्यां प्रशिथिलामिव।। 
 Hanuman did recognise Sita after looking at her carefully again and again even as one is able to make out knowledge of shastriclore forgotten with lapse of time and lack of practice. 