A lot of people go straight from denial to despair without pausing in the middle and doing something about it.

You know there's an old african proverb that i made up: "If you want to go quickly, go alone. If you want to go far, go together."

You can say the Earth is flat, but it doesn't mean you're going to fall off the edge.

When people flirt with despair about the future, they are less likely to take the actions necessary to safeguard it, focusing instead on the short-term.

The scientists are virtually screaming from the rooftops now. The debate is over! There's no longer any debate in the scientific community about this. But the political systems around the world have held this at arm's length because it's an inconvenient truth, because they don't want to accept that it's a moral imperative.

Future generations may well have occasion to ask themselves, "What were our parents thinking? Why didn't they wake up when they had a chance?" We have to hear that question from them, now.

I have always been fascinated with those who try to look over the horizon and see things that are coming at us.