sn51.6:2.1 What four?
sn51.6:2.2 It’s when a mendicant develops the basis of psychic power that has immersion due to enthusiasm …
sn51.6:2.3 energy …
sn51.6:2.4 mental development …
sn51.6:2.5 inquiry, and active effort.
sn51.6:2.6 All the ascetics and brahmins in the past who have completely manifested psychic powers have done so by developing and cultivating these four bases of psychic power.
sn51.6:2.7 All the ascetics and brahmins in the future who will completely manifest psychic powers will do so by developing and cultivating these four bases of psychic power.
sn51.6:2.8 All the ascetics and brahmins in the present who are completely manifesting psychic powers do so by developing and cultivating these four bases of psychic power.”