Duccaritavipākasutta
“Pāṇātipāto, bhikkhave, āsevito bhāvito bahulīkato nirayasaṁvattaniko tiracchānayonisaṁvattaniko pettivisayasaṁvattaniko. Yo sabbalahuso pāṇātipātassa vipāko, manussabhūtassa appāyukasaṁvattaniko hoti.
The Results of Misconduct
“Mendicants, the killing of living creatures, when cultivated, developed, and practiced, leads to hell, the animal realm, or the ghost realm. The minimum result it leads to for a human being is a short lifespan.