The Noble Truth of Suffering : 7. Pain [dukkha dukkha]
Types of Knowledge of Those Who Gain skillfulness in knowledge
The Noble Truth of Suffering : 6. Lamentation [parideva dukkha]
Differences between the Wise and the skillful in knowledge
The Noble Truth of Suffering : 5. Sorrow [soka dukkha]
What Type of Persons Have Skills?
Skill in knowledge