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Since @Fosdick had to return his copy to the library, I thought I'd do the Monday honours.
This chapter is about the habits of monastic debaters (presumably not followers of the Buddha) and their attachment to views, need for praise, poor reactions to not being accepted by judges and so on. It's titled the Discourse to Pasūra, who presumably was a well known debater at the time.
Sections that stood out for me were...
Wishing for praise while debating in an assembly,
They become anxious.
Refuted, they become depressed.
Criticized and shaken,
They seek [their opponents'] faults.
It seems that attacking the man rather than the argument is a habit as old as mankind.
Pasūra, what opponent would you get
From those who live without opponents,
Who don't counter views with views,
Who don't grasp anything here as ultimate?
The Buddha here is advocating not clinging to views, not entering the debate. It's interesting because some modern monastic communities - like the Tibetan Buddhists - have a lively debating culture, and in a way our forum here too sometimes hosts discussions which turn into debates.
Interpreting this discourse is about not over-generalising, I think. It is aimed at a specific environment, but in general discourse and debate do have a valid function. It would be very quiet if there was never a response, or an alternate idea communicated...