4. Suññatasamādhisuttaṃ

369. ‘‘Katamo ca, bhikkhave, asaṅkhatagāmimaggo? Suññato samādhi, animitto samādhi, appaṇihito samādhi – ayaṃ vuccati, bhikkhave, asaṅkhatagāmimaggo…pe…. Catutthaṃ.