"We are faced with a choice: either we continue down the path of destruction, or we change our ways and embrace a more sustainable future."

"The beauty of the living world I was trying to save has always been uppermost in my mind—that, and anger at the heedless and needless destruction of that beauty."

"It is a wholesome and necessary thing for us to turn again to the earth and in the contemplation of her beauties to know the sense of wonder and humility."

"We are part of nature, and when we destroy nature, we destroy ourselves."

"The winds, the sea, and the moving tides are what they are. If there is wonder and beauty and majesty in them, science will discover these qualities."