I think that some of it is electoral - helping candidates that are willing to take dramatic actions, not just to say a few words about how climate change might be a problem.

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)

I don’t know when reading books became the most essential thing about me, but it happened over the years and I found myself the most willing servant of what I considered a rich habit.

Man is an animal who has to live in a lie in order tolive at all.

Each man is master of his own death and all that we can do when the time comes is to help him die without fear of pain.

There are no rules. That is how art is born.

A picture lives by companionship. It dies by the same token. It is therefore risky to send it out into the world. How often it must be impaired by the eyes of the unfeeling.

The harder the fighting and the longer the war, the more the infantry, and in fact all the arms, lean on the gunners.

The creator made us creative. Our creativity is our gift from God. Our use of it is our gift to God. Accepting this bargain is the beginning of true self-acceptance.

Non-democratic regimes always need to mobilize their people against external enemies in order to maintain internal stability.

Don't give me what I ask for, give me what I need.