„People have a funny habit of taking as ‘natural’ whatever they are used to—but there hasn’t been any ‘natural’ environment, the way they mean it, since men climbed down out of trees.“

— Robert A. Heinlein

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„The tree on the mountain takes whatever the weather brings. If it has any choice at all, it is in putting down roots as deeply as possible."---Each New Day“
— Corrie ten Boom
„The very nature of these inventions cries out for the goodness in men, cries out for universal brotherhood, for the unity of us all.“
— Charlie Chaplin
„The mountains are fountains of men as well as of rivers, of glaciers, of fertile soil. The great poets, philosophers, prophets, able men whose thoughts and deeds have moved the world, have come down from the mountains — mountain-dwellers who have grown strong there with the forest trees in Nature's workshops.“
— John Muir