[1152] Bhikkhus, if a bhikkhu, in dependence upon mind (citta), obtains concentration (samādhi), obtains one-pointedness (ekaggatā) of mind — this is called concentration due to mind. He generates desire (chanda) for the … of unarisen … ; for the stability, non-decline, increase, expansion, development, and fulfillment of arisen wholesome dhammas he generates desire, strives, arouses energy, applies his mind, and endeavors. These are called volitional formations of striving (padhānasaṅkhārā). Thus this mind, this concentration due to mind, and these volitional formations of striving — this, bhikkhus, is called the basis for spiritual power (iddhipāda) possessed of concentration due to mind and volitional formations of striving.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.