4.
The Discourse on Rādha and Suffering
77.
"Whatever, Rādha, is suffering, therein your desire is to be abandoned.
And what, Rādha, is suffering?
The eye, Rādha, is suffering.
Therein your desire is to be abandoned.
Forms...
eye-consciousness...
Eye-contact...
whatever feeling arises with eye-contact as condition, etc.
whether neither-unpleasant-nor-pleasant - that too is suffering.
Therein your desire is to be abandoned, etc.
the mind is suffering...
Mental phenomena...
Mind-consciousness...
Mind-contact...
whatever feeling arises with mind-contact as condition - whether pleasant or unpleasant or neither-unpleasant-nor-pleasant - that too is suffering.
Therein your desire is to be abandoned.
Whatever, Rādha, is suffering, therein your desire is to be abandoned."
The fourth.