Saḷāyatana Vibhaṅga Sutta
A series of definitions of the:
- six internal senses (cha ajjhattikāni āyatanāni),
- six external sense objects (cha bāhirāni āyatanāni),
- six groups of consciousness (cha viññāṇakāyā),
- six groups of contact (cha phassakāyā),
- eighteen mental researches (aṭṭhārasa manopavicārā),
- thirty-
six tracks for creatures (chattiṃsa sattapadā), - six satisfactions to the banished,
- three bases of mindfulness, and
- the supreme trainer of the human heart. M.iii.215‑22.