Introduction of the theme: Gradual Training and Causal Principle

Detailed explanation of "guarding the sense-door" as given in previous talk, with three methods

MN:125 dealing with renunciation, virtue, sense control, mindfulness, the hindrances and entry to satipatthana by insight. Followed by tranquility. A variant of the gradual training

Origin of herbal medicine and similar causal principles applied to dealing with mental unbalance and more, especially, the five hinderances

The purpose of tranquility (samatha) and of insight. The way we look at things can give us new perspective and deeper knowledge of them.