- “Permaculture land-use ethics invite us to protect intact ecosystems where they remain and, where ecosystems have been destroyed, to help restore them. Permaculture design also suggests that we take care of earth while taking care of people.” ― Juliana Birnbaum Fox
- “Cultures throughout the world and throughout history that developed stable, sustainable relationships with nature did so through observation—a primary principle in permaculture.” ― Juliana Birnbaum Fox