Keep close to Nature's heart... and break clear away, once in awhile, and climb a mountain or spend a week in the woods. Wash your spirit clean.
John MuirIn drying plants, botanists often dry themselves. Dry words and dry facts will not fire hearts.
John MuirThousands of tired, nerve-shaken, over-civilized people are beginning to find out that going to the mountains is going home; that wildness is a necessity.
John MuirEverybody needs beauty as well as bread, places to play in and pray in, where nature may heal and give strength to body and soul.
John Muir