The six classes of perception are impermanent, changing, and becoming otherwise. Accepting this through faith or wisdom guarantees stream-entry.
Sāvatthinidānaṁ.
At Sāvatthi.
“Rūpasaññā, bhikkhave, aniccā vipariṇāmī aññathābhāvī; saddasaññā … gandhasaññā … rasasaññā … phoṭṭhabbasaññā … dhammasaññā aniccā vipariṇāmī aññathābhāvī.
“|Perception of form::recognition of matter, concept of materiality [rūpasaññā]||, bhikkhus,::::| is |impermanent::not lasting, transient, unreliable [anicca]|, changing, becoming otherwise; |perception of sound::recognition of sound [saddasaññā]| ... |perception of smell::recognition of an odor, concept of smell [gandhasaññā]| ... |perception of taste::recognition of flavor, concept of flavour [rasasaññā]| ... |perception of touch::recognition of touch, concept of tactile sensation [phoṭṭhabbasaññā]| ... |perception of mental activity::recognition of mental phenomena [dhammasaññā]| is impermanent, changing, becoming otherwise.
Yo, bhikkhave, ime dhamme evaṁ saddahati adhimuccati, ayaṁ vuccati ‘saddhānusārī …pe… sambodhiparāyano’”ti.
Anyone|, bhikkhus,::::| who places faith and conviction in these |phenomena::characteristics, thoughts, mental states, mental qualities [dhammā]| in this way is called a faith-follower ... with awakening as their destination.”
At Sāvatthi.
“|Perception of form::recognition of matter, concept of materiality [rūpasaññā]||, bhikkhus,::::| is |impermanent::not lasting, transient, unreliable [anicca]|, changing, becoming otherwise; |perception of sound::recognition of sound [saddasaññā]| ... |perception of smell::recognition of an odor, concept of smell [gandhasaññā]| ... |perception of taste::recognition of flavor, concept of flavour [rasasaññā]| ... |perception of touch::recognition of touch, concept of tactile sensation [phoṭṭhabbasaññā]| ... |perception of mental activity::recognition of mental phenomena [dhammasaññā]| is impermanent, changing, becoming otherwise.
Anyone|, bhikkhus,::::| who places faith and conviction in these |phenomena::characteristics, thoughts, mental states, mental qualities [dhammā]| in this way is called a faith-follower ... with awakening as their destination.”
Sāvatthinidānaṁ.
“Rūpasaññā, bhikkhave, aniccā vipariṇāmī aññathābhāvī; saddasaññā … gandhasaññā … rasasaññā … phoṭṭhabbasaññā … dhammasaññā aniccā vipariṇāmī aññathābhāvī.
Yo, bhikkhave, ime dhamme evaṁ saddahati adhimuccati, ayaṁ vuccati ‘saddhānusārī …pe… sambodhiparāyano’”ti.