Thousands of tired, nerve-shaken, over-civilized people are beginning to find out that going to the mountains is going home; that wildness is a necessity; and that mountain parks and reservations are useful not only as fountains of timber and irrigating rivers, but as fountains of life. -- John Muir

One touch of nature makes the whole world kin. -- William Shakespeare

It is the ancient wisdom of birds that battles are best fought with song. -- Richard Nelson

Until mankind can extend the circle of his compassion to include all living things, he will never, himself, know peace. -- Albert Schweitzer

In the end, we will conserve only what we love. We will love only what we understand. We will understand only what we are taught. -- African Proverb

Our task must be to free ourselves from our prison by widening our circles of compassion to embrace all living creatures and the whole nature in its beauty. -- Albert Einstein

When we try to pick out anything by itself, we find it hitched to everything else in the universe. -- John Muir