Shiva Purana
व्याधितं दुर्बलं बालं स्त्र्यनाथौ कृपणं ध्रुवम्॥ धनुर्भग्नं छिन्नगुणं हत्वा वै ब्रह्महा भवेत् ॥ ३७॥
One becomes a murderer of a brahmin by killing the sick, the feeble, the child, the hen-pecked, the miserly and one whose bow or bowstring is broken.
english translation
vyAdhitaM durbalaM bAlaM stryanAthau kRpaNaM dhruvam॥ dhanurbhagnaM chinnaguNaM hatvA vai brahmahA bhavet ॥ 37॥
hk transliteration by Sanscript