7Environmentalist, political activist, walker, tax resister, or just interested in a simpler life? If you're one or more of these, you're influenced by Henry David Thoreau, one of our most beloved writers and iconoclastic thinkers. This beautiful card set includes four inspirational Thoreau quotes, suitable for mailing or pinning up, and a choice of colorful photographic envelopes reflecting spring, summer, fall, and winter.