I'm not trying to top anything. I'm trying to be useful, to play a positive role, to serve the public interest.

If the only tool we use to analyse what's valuable is a price tag, then those things that don't have price tags begin to look like they have no value.

Speaking from my own religious tradition in this Christmas season, 2,000 years ago a homeless woman gave birth to a homeless child in a manger because the inn was full.

We are seeing every night on the television news now a nature hike through the Book of Revelation. These climate-related extreme weather events have convinced the vast majority of people that the scientists have been right for a long time. We have to address this.

You have to rip your opponent's lungs out and then move on.

Now we have things that are obviously false, leading us to war, leading us to deny people health care, leading us to ignore the climate crisis. We have to restore the integrity of the democratic conversation.

There's no such thing as clean coal. It's non-existent. Theoretically, it might be possible, many years from now, to come up with a way to clean it as it's burnt. But there's not a single demonstration project in the United States. [...] Clean coal doesn't exist.