Manusmriti

siva.sh/manusmriti/5/52

स्वमांसं परमांसेन यो वर्धयितुमिच्छति । अनभ्यर्च्य पितॄन् देवांस्ततोऽन्यो नास्त्यपुण्यकृत् ॥ ५२ ॥

sanskrit

There is no greater sinner than that (man) who, though not worshipping the gods or the manes, seeks to increase (the bulk of) his own flesh by the flesh of other (beings).

english translation

svamAMsaM paramAMsena yo vardhayitumicchati | anabhyarcya pitRRn devAMstato'nyo nAstyapuNyakRt || 52 ||

hk transliteration by Sanscript