3.
The Discourse on Consciousness
190.
He was dwelling at Sāvatthī, etc.
"What do you think, Rāhula, is eye-consciousness permanent or impermanent?"
"Impermanent, venerable sir." Etc.
"Ear-consciousness... etc.
nose-consciousness...
tongue-consciousness...
body-consciousness...
Is mind-consciousness permanent or impermanent?"
"Impermanent, venerable sir." Etc.
"Seeing thus, Rāhula, a learned noble disciple becomes disenchanted with eye-consciousness, etc.
becomes disenchanted with ear-consciousness...
becomes disenchanted with nose-consciousness...
becomes disenchanted with tongue-consciousness...
becomes disenchanted with body-consciousness...
becomes disenchanted with mind-consciousness.
being disenchanted, he becomes dispassionate, etc.
he understands."
The third.