She gazed toward the lair of the homesteaders. They had built it with the cut-up carcasses of murdered trees nailed one to the other in long slabs. The bodies of the dead trees made flat walls with square corners, unlike anything else in the forest.
-- Narrator (Chapter 1)

Importance: The trees are considered building materials to the humans, but Willa sees them as living being who have been murdered to create lairs. This quote is important because it demonstrates Willa's unique perspective on the world.

The day-folk did not think. They did not hesitate. Whether it was the wolves who howled to find their loved ones in the night, or the great trees who raised their limbs to the sun, the day-folk killed whatever they did not understand. And they understood very little of the forest into which they had come.
-- Narrator (Chapter 2)

Importance: Willa was taught by the padaran that the humans were evil and had...