 नाकीर्तयदवज्ञानात्तद्रक्षो मानुषान् प्रति।तस्मात्स मानुषाद्वध्यो मृत्युर्नान्योऽस्य विद्यते।। 
  "The rakshasa did not include man monkey and bear because of his disdain for men. As such he is fit to be destroyed by a man and not by any other means". 