svamāṁsaṁ paramāṁsena yo vardhayitum icchati
svamāṁsaṁ paramāṁsena yo vardhayitum icchati |
anabhyarcya pitṝn devāṁs tato’nyo nāsty apuṇyakṛt ||
(Manu Smṛti: 5.52)
“There is no greater sinner than one who seeks to increase his own flesh with the flesh of others and does not worship the forefathers and devas.”