1.
The Discourse on the Mental Floods
172.
At Sāvatthī.
"Monks, there are these four mental floods.
Which four?
The mental flood of sensuality, the mental flood of existence, the mental flood of views, the mental flood of ignorance -
these, monks, are the four mental floods.
For the direct knowledge, full understanding, utter elimination, and abandoning of these four mental floods, monks, etc.
this noble eightfold path is to be developed."
The first.