John Muir Quotes about Running

John Muir, Edwin Way Teale, Henry Bugbee Kane (2001). “The Wilderness World of John Muir”, p.231, Houghton Mifflin Harcourt
John Muir (2015). “JOHN MUIR Ultimate Collection: Travel Memoirs, Wilderness Essays, Environmental Studies & Letters (Illustrated): Picturesque California, The Treasures of the Yosemite, Our National Parks, Steep Trails, Travels in Alaska, A Thousand-mile Walk to the Gulf, Save the Redwoods, The Cruise of the Corwin and more”, p.616, e-artnow
John Muir (1997). “Nature Writings: The Story of My Boyhood and Youth, My First Summer in the Sierra, the Mountains of California, Stickeen, Selected Essays”, p.720, Library of America