The Brahmana, by fighting on these three occasions, does not commit sin, viz., for protecting himself, for compelling the other castes to follow their duties, and for punishing robbers,
ब्राह्मणस्त्रिषु कालेषु शस्त्रं गृह्णन्न दुष्यति। आत्मत्राणे वर्णदोषे दुर्दम्यनियमेषु च॥