What do you think, mendicants? Is form permanent or impermanent?” “Impermanent, sir.” … “Is feeling … perception … choices … consciousness permanent or impermanent?” “Impermanent, sir.” … “That which is seen, heard, thought, known, attained, sought, and explored by the mind: is that permanent or impermanent?” “Impermanent, sir.” … “But by not grasping what’s impermanent, suffering, and perishable, would such a view arise?” “No, sir.”

“When a noble disciple has given up doubt regarding these six grounds, and has given up doubt in suffering, its origin, its cessation, and the practice that leads to its cessation, they’re called a noble disciple who is a stream-enterer, not liable to be reborn in the underworld, assured, destined for awakening.”

Linked Discourses 24.8 1. Stream-Entry The Extensive View