Manusmriti

siva.sh/manusmriti/4/167

अयुध्यमानस्योत्पाद्य ब्राह्मणस्यासृगङ्गतः । दुःखं सुमहदाप्नोति प्रेत्याप्राज्ञतया नरः ॥ १६७ ॥

sanskrit

A man who in his folly caused blood to flow from the body of a Brahmana who does not attack him, will suffer after death exceedingly great pain.

english translation

ayudhyamAnasyotpAdya brAhmaNasyAsRgaGgataH | duHkhaM sumahadApnoti pretyAprAjJatayA naraH || 167 ||

hk transliteration by Sanscript