"Leave the Earth better than you found it."

"What we are doing to the forests of the world is but a mirror reflection of what we are doing to ourselves."

"Nature does not hurry, yet everything is accomplished."

"The greatest threat to our planet is the belief that someone else will save it."

"Conservation is a state of harmony between men and land."

"In every walk with nature one receives far more than he seeks."

"We don't inherit the Earth from our ancestors, we borrow it from our children."

"The Earth is what we all have in common."