Environmentalist Quotes and aphorisms about more John Muir John Muir John Muir ,, All the world lies warm in one heart, yet the Sierra seems to get more light than other mountains. ... John Muir ,, Indians walk softly and hurt the landscape hardly more than the birds and squirrels, and their brus... John Muir ,, The more I see of deer, the more I admire them as mountaineers. They make their way into the heart ... Aldo Leopold Greta Thunburg Paul Hawken Paul Hawken Paul Hawken