4-6.
The Discourses on Desire for Suffering and so on
171-173.
"Whatever, monks, is suffering, therein your desire is to be abandoned, lust is to be abandoned, desire and lust is to be abandoned.
And what, monks, is suffering?
The eye, monks, is suffering;
therein your desire is to be abandoned, lust is to be abandoned, desire and lust is to be abandoned. Etc.
The tongue is suffering, etc.
the mind is suffering;
therein your desire is to be abandoned, lust is to be abandoned, desire and lust is to be abandoned.
Whatever, monks, is suffering, therein your desire is to be abandoned, lust is to be abandoned, desire and lust is to be abandoned."