David Brower

"We have enough technology to save the world; we lack only the moral courage."

"The earth remembers everything; every action leaves a mark."

"Wilderness is the antidote to despair."

"The photographs show what words cannot: the beauty we are about to lose."

"To love the earth is to love yourself; they are one and the same."

"The greatest inheritance is a world still capable of surprising us."

"We cannot afford the luxury of doing nothing."

"The voice of nature speaks in languages older than words."

"Our children are not asking us to save the world; they are asking us to save their future."

"In the end, there are only two kinds of people: those who fought for the earth and those who failed to."

"In every conceivable manner, the family is link to our past, bridge to our future, and bonds to each other."

"The gross national product does not allow for the health of our children, the quality of their education or the joy of their play."

"Wilderness is not a luxury but a necessity of the human spirit."

"We do not inherit the earth from our ancestors; we borrow it from our children."

"The clearest way into the Universe is through a forest wilderness."

"Keep America beautiful; keep wild America wild."

"A great man is one who leaves no stone unturned in his quest for truth."

"The battle for the preservation of the wilderness is a battle for the soul of America."

"More dams have been planned or built than any mind in the history of man."

"You don't have to be a scientist to understand that destroying the planet we live on is not a good idea."

"The mountains are calling and we must go."

"Beauty is not something that can be manufactured or bought; it must be preserved."

"Our nation behaves well if it treats the natural world as it does its citizens, with respect."

"The Grand Canyon, with all its ramifications of human effort, should be saved."

"There is no greater gift than time spent in nature's cathedral."

"In the end, we will conserve only what we love, we will love only what we understand, and we will understand only what we are taught."

"The Earth's resources are not infinite, and we must act as if they are precious."

"Every time we deface or destroy a natural wonder, we diminish ourselves."

"Courage is not the absence of fear; it is action in the face of fear for what you believe in."

"The real wealth of a nation is its natural heritage."