SN25.2 — Rūpa Sutta

At Sāvatthī. Forms are impermanent, subject to change, and becoming otherwise; sounds are impermanent, subject to change, and becoming otherwise; smells are impermanent, subject to change, and becoming otherwise; tastes are impermanent, subject to change, and becoming otherwise; tangibles are impermanent, subject to change, and becoming otherwise; mental phenomena are impermanent, subject to change, and becoming otherwise.

Whoever has faith and confidence in these teachings in this way is called a follower of faith, one who has entered the fixed course of rightness, entered the plane of the noble ones, and transcended the plane of ordinary people; incapable of doing any deed that would lead to rebirth in hell, the animal realm, or the realm of ghosts; and incapable of dying without having realized the fruit of stream-entry.

Whoever reflects on these teachings with wisdom to a certain extent, is called incapable of doing any deed that would lead to rebirth in hell, the animal realm, or the realm of ghosts; and incapable of dying without having realized the fruit of stream-entry.

Whoever understands and sees these teachings in this way is called a stream-enterer, not subject to downfall, fixed in destiny, with enlightenment as the destination.