 अस्मिन् क्षणेमहाबाहोरावणंत्वंवधिष्यसि ।एवमुक्त्वाततोऽगस्त्योजगाम स यथागतम् ।। 
 Agastya having spoken in that way to the mighty armed Rama to worship the Sun God and assuring him that the very moment he will be able to kill Ravana, left in the same way. 