One ought to slay even an aged man, or a person who is older than himself, or one who may be endowed with all virtues, if he comes as an enemy, or indeed any one else who comes for destroying him.
ज्यायांसमपि चेद् वृद्धं गुणैरपि समन्वितम्। आततायिनमायान्तं हन्याद् घातकमात्मनः॥