An excerpt:
"Bathed in such beauty, watching the expressions ever varying on the faces of the mountains, watching the stars, which here have a glory that the lowlander never dreams of, watching the circling seasons, listening to the songs of the waters and winds and birds, would be endless pleasure. And what glorious cloudlands I should see, storms and calms—a new heaven and a new earth every day, aye and new inhabitants. And how many visitors I should have." - John Muir
One of the quotes in the book from someone other than John Muir:
“[Our task is to widen] our circle of compassion to embrace all living beings and all of nature.” ~Albert Einstein