I think that I cannot preserve my health and spirits, unless I spend four hours a day at least — and it is commonly more than that — sauntering through the woods and over the hills and fields, absolutely free from all worldly engagements. – Henry David Thoreau

Only the explorer of steep and narrow trails inaccessible to cattle makes acquaintance with flowers in a grazing country. The large scale of all the physical features of California tends to monotony of vegetable life. The same trees cover miles of country. Only those who climb find variety. – Isabella G. Oakley, “Santa Barbara of Today,” in Sunset, May 1904

But in every walk with Nature one receives far more than he seeks. – John Muir, July 1877