His is a great philosophy. Yes it is easy to get despondent, sad and depressed, however what really matters is just this moment right now. We have no control over what has been and no control of what will happen, and you know when you are dead than nothing matters at all.
I feel some responsibility for the state of the planet which I leave behind.
"A true conservationist is a man who knows that the world is not given by his fathers, but borrowed from his children." - John James Audubon