At Sāvatthī. “What do you think, Rāhula? Is eye contact permanent or impermanent?” “Impermanent, sir.” … “… ear contact … nose contact … tongue contact … body contact … Is mind contact permanent or impermanent?” “Impermanent, sir.” … “Seeing this, a learned noble disciple becomes disillusioned with eye contact, ear contact, nose contact, tongue contact, body contact, and mind contact. Being disillusioned they become dispassionate. …”