We've built a new Earth. It's not as nice as the old one; it's the greatest mistake humans have ever made, one that we will pay for literally forever.

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)

The pursuit of dreams comes with a cost.

Consistency builds trust, confidence builds character.

The huntsman took pity on her and said, "Run away into the woods, child, and never come back.

Giving freaks a pass is the oldest tradition in Montana.

I have looked to the Steinway piano since I was three, not only as my ideal choice of an instrument. But, as a responsive and ever reliable friend.

If you don't want to be replaced by a computer, don't act like one.

If you can't measure it, you probably can't manage it Things you measure tend to improve.

None of you will ever know what I am thinking.

As an actor, I need to get excited about something that I can actually relate to.

When it looks impossible and you are ready to quit, victory is near!