Ramayana
नारायण न जानीषे क्षात्रधर्मं पुरातनम् । अयुद्धमनसो भीतानस्मान्हंसि यथेतरः ॥ 7-8-3 ॥
"O Narayana, you do not know the ancient law of the warriors (kshatriya dharma), for you slay us who are frightened and have no mind to fight, as any common man would."
english translation