4.
The Discourse on Internal Sense Bases
1084.
"Monks, there are these four noble truths.
What are the four?
The noble truth of suffering, the noble truth of the origin of suffering, the noble truth of the cessation of suffering, the noble truth of the practice leading to the cessation of suffering.
"And what, monks, is the noble truth of suffering? 'The six internal sense bases' should be said. What are the six? The eye sense base, etc. the mind sense base - this is called, monks, the noble truth of suffering.
"And what, monks, is the noble truth of the origin of suffering? It is this craving which leads to rebirth, accompanied by delight and lust, finding delight here and there, as follows - sensual craving, craving for existence, craving for non-existence - this is called, monks, the noble truth of the origin of suffering.
"And what, monks, is the noble truth of the cessation of suffering? That which is the complete fading away and cessation of that very craving without remainder, the giving up, the relinquishment, the freedom, the non-attachment - this is called, monks, the noble truth of the cessation of suffering.
"And what, monks, is the noble truth of the practice leading to the cessation of suffering? It is just this noble eightfold path, as follows - right view, etc. right concentration - this is called, monks, the noble truth of the practice leading to the cessation of suffering. These, monks, are the four noble truths.
"Therefore, monks, exertion is to be done regarding 'This is suffering', etc. exertion is to be done regarding 'This is the practice leading to the cessation of suffering.'" The fourth.