The Interior as Impermanent Ajjhattāyatanaaniccasutta

“Mendicants, the eye, ear, nose, tongue, body, and mind are impermanent. “Cakkhu, bhikkhave, aniccaṁ …pe… jivhā aniccā …pe… mano anicco.

Seeing this … Evaṁ passaṁ …pe… They understand: ‘… there is nothing further for this place.’” nāparaṁ itthattāyāti pajānātī”ti.