3.
The Discourse on Desire and Lust for the Internal as Impermanent
170.
"Whatever, monks, is impermanent, therein your desire and lust is to be abandoned.
And what, monks, is impermanent?
The eye, monks, is impermanent;
therein your desire and lust is to be abandoned. Etc.
The tongue is impermanent;
therein your desire and lust is to be abandoned. Etc.
The mind is impermanent;
therein your desire and lust is to be abandoned.
Whatever, monks, is impermanent, therein your desire and lust is to be abandoned."