Iddhipādasutta
“Rāgassa, bhikkhave, abhiññāya cattāro dhammā bhāvetabbā. Katame cattāro? Idha, bhikkhave, bhikkhu chandasamādhipadhānasaṅkhārasamannāgataṁ iddhipādaṁ bhāveti; vīriyasamādhi …pe… cittasamādhi …pe… vīmaṁsāsamādhipadhānasaṅkhārasamannāgataṁ iddhipādaṁ bhāveti. Rāgassa, bhikkhave, abhiññāya ime cattāro dhammā bhāvetabbā”ti.
Bases of Psychic Power
“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.”