At Sāvatthī.

“What do you think, Rāhula? Is eye consciousness permanent or impermanent?”

“Impermanent, sir.” …

“… ear consciousness … nose consciousness … tongue consciousness … body consciousness … Is mind consciousness permanent or impermanent?”

“Impermanent, sir.” …

“Seeing this, a learned noble disciple grows disillusioned with eye consciousness, ear consciousness, nose consciousness, tongue consciousness, body consciousness, and mind consciousness. Being disillusioned, desire fades away. …”