Dukkhudrayasutta
“Dukkhudrayañca vo, bhikkhave, dhammaṁ desessāmi sukhudrayañca. Taṁ suṇātha …pe… katamo ca, bhikkhave, dukkhudrayo dhammo? Pāṇātipāto …pe… micchādiṭṭhi— ayaṁ vuccati, bhikkhave, dukkhudrayo dhammo.
With Suffering as Outcome
“I will teach you the principle that has suffering as outcome, and that which has happiness as outcome. … And what is the principle whose outcome is suffering? Killing living creatures … wrong view. This is the principle whose outcome is suffering.