4.
The Third Discourse on Impermanence
139.
At Sāvatthī.
"Whatever, monks, is impermanent;
therein your desire and lust is to be abandoned.
And what, monks, is impermanent?
Materiality, monks, is impermanent, therein your desire and lust is to be abandoned.
Feeling is impermanent, etc.
perception...
activities...
consciousness is impermanent;
therein your desire and lust is to be abandoned.
Whatever, monks, is impermanent;
therein your desire and lust is to be abandoned."
The fourth.