Tattha katamo samādhi? Yā cittassa ṭhiti saṇṭhiti avaṭṭhiti avisāhāro avikkhepo avisāhaṭamānasatā samatho samādhindriyaṁ samādhibalaṁ sammāsamādhi— ayaṁ vuccati “samādhi”. Tattha katamo padhānasaṅkhāro? Yo cetasiko vīriyārambho nikkamo parakkamo uyyāmo vāyāmo ussāho ussoḷhī thāmo ṭhiti asithilaparakkamatā anikkhittachandatā anikkhittadhuratā dhurasampaggāho vīriyaṁ vīriyindriyaṁ vīriyabalaṁ sammāvāyāmo— ayaṁ vuccati “padhānasaṅkhāro”. Iti iminā ca chandena, iminā ca samādhinā, iminā ca padhānasaṅkhārena upeto hoti samupeto upāgato samupāgato upapanno sampanno samannāgato. Tena vuccati “chandasamādhipadhānasaṅkhārasamannāgato”ti. “Iddhī”ti. Yā tesaṁ dhammānaṁ iddhi samiddhi ijjhanā samijjhanā lābho paṭilābho patti sampatti phusanā sacchikiriyā upasampadā. “Iddhipādo”ti. Tathābhūtassa vedanākkhandho, saññākkhandho, saṅkhārakkhandho, viññāṇakkhandho. “Iddhipādaṁ bhāvetī”ti. Te dhamme āsevati bhāveti bahulīkaroti. Tena vuccati “iddhipādaṁ bhāvetī”ti. 1.2. Vīriyiddhipāda
