Equal treatment for children in unequal situations is not justice.

Were I to stop oil production, we`d have to import it from Iraq and from Caracas, Venezuela or from North Dakota where the environmental standards are much lower, on trains that have already proven themselves unsafe, or by more ships that are causing significant pollution in the world. It`s just really dumb.

Even when you sign a treaty like I think [Richard] Nixon did, the anti-ballistic missile treaty, George W. Bush reneged on it. He got out of. So any treaty can be withdrawn from.

Taking significant amounts of carbon out of our economy without harming its vibrancy is exactly the sort of challenge at which California excels.

I see the world in very fluid, contradictory, emerging, interconnected terms, and with that kind of circuitry I just don't feel the need to say what is going to happen or will not happen.

Inaction may be the biggest form of action.

You've got the oil companies fighting Pope Francis. Fighting the scientists of the world. Fighting the governor of California. They are engaged in literally a life-and-death struggle, and I have no doubt who is going to be the victor.