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

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

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

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

"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."

"Leave the Earth better than you found it."

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