[Kids] will grow up into a world that's difficult and wonderful, and they'll make the best of it they can, and hopefully help turn it in the best possible direction.

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 thing about the internet is we take everything too far. Once something becomes "popular" in our realm, it's everywhere, and I get sick of hearing about it quickly.

That's the beauty about love. It's not about give-and-take - it's about feeling safe in one's needs - wanting to be looked after as much as wanting to look after.

Israel has always been and must always be America's strongest ally.

More than once my mother would point out: "Harry Belafonte is the best-looking man on the planet."

Great power which incites great envy, hurls some men to destruction; they are drowned in a long splendid stream of honors.

I want to live happily in a world I don’t understand.

Had the jury convicted on proper instructions it would be the end of the matter. But juries are not bound by what seems inescapable logic to judges.

The human race shouldn't have all its eggs in one basket, or on one planet. Let's hope we can avoid dropping the basket until we have spread the load.

There are two things you can learn by stopping your backswing at the top and checking the position of your hands; how many hands you have, and which one is wearing the glove.