Oil companies are radical because they're willing to alter the chemical composition of the atmosphere.

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)

It is possibly worth mentioning at this point that Mr. Young thought that paparazzi was a kind of Italian linoleum.

Emptiness is not the opposite of existence. It is not nothingness or annihilation.

No one should live beyond 30.

Miss Austen had shown the infinite possibilities of ordinary and present things for the novelist.

I would like to show the world today as an ant sees it and tomorrow as the moon sees it.

I'm on the front line and I am a rapper.

I really think that the Liberal Party is dead and that one will simply have to think of men and policies after the war - not of parties.

Dreams are like stars. You may never touch them, but if you follow them they will lead you to your destiny.

Defending birthright citizenship is about being on the right side of liberty. The 14th Amendment is a great legacy of the Republican Party.

I could care less about being an action actor like Stallone or Schwarzenegger.