A voluntary simplification of life-styles is not beyond our abilities, but it is probably outside our desires.

Climate change is the single biggest thing that humans have ever done on this planet. The one thing that needs to be bigger is our movement to stop it.

The technology we need most badly is the technology of community, the knowledge about how to cooperate to get things done.

Very few people on earth ever get to say: 'I am doing, right now, the most important thing I could possibly be doing.' If you'll join this fight that's what you'll get to say

what you do every day is what forms your mind and precious few of us can or would spend most days outdoors.

In 50 years, no one will care about the fiscal cliff or the Euro crisis. They'll just ask, "So the Arctic melted, and then what did you do?"

Global warming is no longer a philosophical threat, no longer a future threat, no longer a threat at all. It's our reality.

Advent: the time to listen for footsteps - you can't hear footsteps when you're running yourself.

We've been given a warning by science, and a wake-up call by nature; it is up to us now to heed them.

The real negotiation is between humans on the one hand and chemistry and physics on the other. And chemistry and physics, unfortunately, don't bargain.

We can either save the planet from catastrophic warming, or protect fossil fuel CEOs. Not both. Do the math(s)

la vida sólo puede ser entendida mirando hacia atrás

Religious belief is without reason and without dignity, and its record is near-universally dreadful.

What is forgotten, however, is that many times the Good we create leads to Evil that will destroy us.

I had rescued the moment by using my camera and in that way had found how to stop time and hold it. No one could take that image away from me because I owned it.

Each day men sell little pieces if themselves in order to try to buy then back each night and weekend.

Once one has kissed a cadaver's forehead, there always remains something of it on the lips, an infinite bitterness, an aftertasteof nothingness that nothing can erase.

There is no better way to serve others than to pray for them. There is nothing about which I do not pray. I go over all my life in the presence of God. All my problems are solved there.

I always look tired, but I'm not. I just look like I am.

If you want to fly with eagles, stop swimming with ducks.

Life is not black and white when it comes to perception.