"Examine each question in terms of what is ethically and aesthetically right, as well as is economically expedient. A thing is right when it tends to preserve the integrity, stability and beauty of the biotic community. It is wrong when it tends otherwise."
- Aldo Leopold
"It took more than three thousand years to make some of the trees in these western woods..Through all the wonderful, eventful centuries since Christ's time - and long before that - God has saved them from drought, disease, avalanches, and a thousand straining leveling tempests and floods; but he cannot save them from fools."
- John Muir
"There is just one hope of repulsing the tyrannical ambition of civilization to conquer every niche on the whole earth. That hope is the organization of spirited people who will fight for the freedom of the wilderness."