Environmentalist Quotes and aphorisms about kind John Muir John Muir ,, Bread without flesh is a good diet, as on many botanical excursions I have proved. Tea also may eas... John Muir Paul Hawken Paul Hawken ,, Class of 2009: you are going to have to figure out what it means to be a human being on Earth at a ... Joseph Wood Krutch Garrett Hardin Roger Tory Peterson Corneille Ewango Ma Jun