Aṅguttara Nikāya — Discursos Numerados — 4.276 — Bases of Psychic Power

1“For insight into greed, four things should be developed. What four? It’s when a mendicant develops the basis of psychic power that has immersion due to enthusiasm, and active effort. They develop the basis of psychic power that has immersion due to energy … mental development … inquiry, and active effort. For insight into greed, these four things should be developed.”