You teach me, I forget. You show me, I remember. You involve me, I understand. - Edward O. Wilson

For the entire course of evolution leading from our primitive mammalian forebears of a hundred million years ago to the single lineage that threaded its way to become the first Homo sapiens, the total number of individuals it required might have been one hundred billion. Unknowingly, they all lived and died for us. (21)

Destroying forest for economic gain is like burning a Renaissance painting to cook a meal.

If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago. If insects were to vanish, the environment would collapse into chaos.