Sāriputta and Mahācunda visit Channa, who is ill. Channa says that he lacks for no care, but is in such great pain that he wishes to take his own life, insisting that he will do so blamelessly. Sāriputta tries to dissuade him...
Venerable Puṇṇa goes to the Buddha and asks for a teaching before he departs to the foreign land of Sunāparanta. The Buddha warns him that folk there are fierce, and questions whether he is ready for such a difficult assignment.
Being stirred by craving is painful, so the Realized One lives unstirred, not identifying with any aspect of sense experience, or indeed, with the entire scope of the aggregates, elements, and senses.
Consciousness arises from the dyad of the interior sense organ with its corresponding exterior sense stimulus. All these things are conditioned, impermanent, and constantly falling apart.