3.
The Discourse on Impermanence
98.
"That indeed, monks, a monk regarding any activity as permanent will be possessed of acceptance in conformity with the teaching" - this is impossible.
"Not being possessed of acceptance in conformity with the teaching, he will enter the fixed course of the right path" - this is impossible.
"Not entering the fixed course of the right path, he will realise the fruition of stream-entry or the fruition of once-returning or the fruition of non-returning or arahantship" - this is impossible.
"That indeed, monks, a monk regarding all activities as impermanent will be possessed of acceptance in conformity with the teaching" - this is possible. "Being possessed of acceptance in conformity with the teaching, he will enter the fixed course of the right path" - this is possible. "Entering the fixed course of the right path, he will realise the fruition of stream-entry or the fruition of once-returning or the fruition of non-returning or arahantship" - this is possible. The third.