He who kills a Brahmana and the mother of men (cow) and he who forsakes one who seeks his protection, both commit equal sin.
यो हि कश्चिद् द्विजान् हन्याद् गां वा लोकस्य मातरम् शरणागतं च त्यजते तुल्यं तेषां हि पातकम्॥