Kattha samāpajjantīti? pañcavokārabhave. Kasmā? anupubbasamāpatti- sabbhāvato. Catuvokārabhave pana paṭhamajjhānādīnaṃ uppattiyeva natthi, tasmā na sakkā tattha samāpajjituṃ.

Kasmā samāpajjantīti? saṅkhārānaṃ pavattibhede ukkaṇṭhitvā diṭñeva dhamme Acittakā hutvā "nirodhaṃ nibbānaṃ patvā sukhaṃ viharissāmā"ti samāpajjanti.

Kathañcassā samāpajjanaṃ hotīti samathavipassanāvasena ussakkitvā katapubba- kiccassa nevasaññānāsaññāyatanaṃ nirodhayato evamassā samāpajjanaṃ hoti. Yo hi samathavaseneva ussakkati, so nevasaññānāsaññāyatanasamāpattiṃ patvā tiṭṭhati. Yo vipassanāvaseneva ussakkati, so phalasamāpattiṃ patvā tiṭṭhati. Yo pana ubhayavasena ussakkitvā nevasaññānāsaññāyatanaṃ nirodheti, so taṃ samāpajjatīti ayamettha saṅkhePo.

Ayaṃ pana vitthāro:- idha bhikkhu nirodhaṃ samāpajjitukāmo katabhattakicco sudhotahatthapādo vivitte okāse supaññatte āsane nisīdati pallaṅkaṃ ābhujitvā ujuṃ kāyaṃ paṇidhāya parimukhaṃ satiṃ upaṭṭhapetvā, so paṭhamajjhānaṃ samāpajjitvā vuṭṭhāya tattha saṅkhāre aniccato dukkhato anattato vipassati. Vipassanā panesā tividhā hoti saṅkhārapariggaṇhanakavipassanā phalasamāpattivipassanā nirodhasamāpattivipassanāti. Tattha saṅkhārapariggaṇhanakavipassanā mandā vā hotu tikkhā vā, maggassa padaṭṭhānaṃ hotiyeva. Phalasamāpattivipassanā tikkhāva vaṭṭati maggabhāvanāsadisā. Nirodhasamāpattivipassanā pana nātimandā nātitikkhāva vaṭṭati. Tasmā esa nātimandāya nātitikkhāya vipassanāya tesaṃ saṅkhāre vipassati, tato dutiyaṃ jhānaṃ samāpajjitvā vuṭṭhāya tattha saṅkhāre tatheva vipassati. Tato tatiyaṃ jhānaṃ .pe. Tato viññāṇañcāyatanaṃ samāpajjitvā vuṭṭhāya tattha saṅkhāre tatheva vipassati. Atha ākiñcaññāyatanaṃ samāpajjitvā vuṭṭhāya catubbidhaṃ pubbakiccaṃ karoti nānābaddhaavikopanaṃ saṃghapaṭimānanaṃ satthupakkosanaṃ addhānaparicchedanti.