David

“To be a conservationist is to be an eternal optimist. Pessimism serves no purpose, not when you are trying to change the world.”
― Jan Deblieu, Meant to Be Wild: The Struggle to Save Endangered Species through Captive Breeding

“Sometimes standing against evil is more important than defeating it. The greatest heroes stand because it is right to do so, not because they believe they will walk away with their lives. Such selfless courage is a victory in itself.”
― N.D. Wilson, Dandelion Fire

“Every organism on Earth is here not for us but with us, and the loss of a single species by our hands is an eradication of our own being.”
― Benjamin Vogt, A New Garden Ethic: Cultivating Defiant Compassion for an Uncertain Future

“Human beings make life so interesting. Do you know that in a universe so full of wonders they have managed to invent boredom? Quite astonishing!”
― Terry Pratchett, Hogfather