Me thinks that the moment my legs begin to move, my thoughts begin to flow. – Henry David Thoreau

I like to walk, touch living Mother Earth—bare feet best, and thrill every step. Used to envy happy reptiles that had advantage of so much body in contact with earth, bosom to bosom. [We] live with our heels as well as head and most of our pleasure comes in that way. – John Muir, quoted in To Yosemite and Beyond: Writings from the Years 1863–

A little fresh air would be good for you just now. The weather is lovely; and a little stroll in the park will bring the colour back to your cheeks. – J. Palgrave Simpson, For Ever and Never, 1884