sn51.13:2.1 If a mendicant depends on energy in order to gain immersion, gain unification of mind,
sn51.13:2.2 this is called immersion due to energy.
sn51.13:2.3 They generate enthusiasm, try, make an effort, exert the mind, and strive so that bad, unskillful qualities don’t arise …
sn51.13:2.4 so that skillful qualities that have arisen remain, are not lost, but increase, mature, and are fully developed.
sn51.13:2.5 These are called active efforts.
sn51.13:2.6 And so there is this energy, this immersion due to energy, and these active efforts.
sn51.13:2.7 This is called the basis of psychic power that has immersion due to energy, and active effort.