This quote can be found only in the movie.
It can be heard in the third movie, and is told by the headmaster.
I just checked the book, and it doesn't appear there.
Answer:
Forest fires are a natural and necessary part of the ecosystem. Even healthy forests contain dead trees and decaying plant matter; when a fire turns them to ashes, nutrients return to the soil instead of remaining captive in old vegetation. Fires are a great way of clearing out the clutter. They can break down nutrients and minerals in burning plants and other debris such as old logs, leaves and dense undergrowth and restore them to the soil, thus making for a more fertile area.
He just wanted a quick way to get out of a situation so he blinds him because he feared for his life and didn't really want to kill he would rather escape.
To explore the world and get a broder view of the world.Hope this helps!!1
