"And the tree was happy." ~Shel Silverstein, The Giving Tree
"Study nature, love nature, stay close to nature. It will never fail you." ~Frank Lloyd Wright
"To me a lush carpet of pine needles or spongy grass is more welcome than the most luxurious Persian rug." ~Helen Keller
"The sun, with all those plants revolving around it and dependent upon it, can still ripen a bunch of grapes as if it had nothing else in the universe to do." ~Galileo
You can find more nature quotes here. Have a very green weekend!