We have built a greenhouse, a human greenhouse, where once there bloomed a sweet and wild garden.

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)

Failing to fulfill your responsibilities is not only a reflection of your priorities, but also your integrity. Your actions define your character not the words you utter.

In order to work well, markets need a basic level of trust.

I don't have to live up to that Superwoman myth. I can cry and be human and lean on people who take care of me. That can be very liberating.

Nothing's boring if it's in your soul.

People who build family businesses are not classically trained. They have to deal with an enormous amount of politics. You think corporate politics are tough? Go work for your dad or your mom.

I don’t know if you or I exist, but somewhere there are poems about us.

It had a huge impact on me, ‘Smells Like Teen Spirit’ – and I was very proud when I found out that Kurt Cobain was a fan of mine. I thought he was awesome.

People have a right to their opinion.

Self worship is different from self love.

I first saw the site for Disneyland back in 1953, In those days it was all flat land - no rivers, no mountains, no castles or rocket ships - just orange groves, and a few acres of walnut trees.