At some point, a false belief collides with physical reality.

Distributed intelligence is the key to the advancement of human civilization. Dictatorships, communist countries, monarchies in the past all eventually collapsed because of their inefficiency in moving information.

Fear is the most powerful enemy of reason.

What we've often seen is that when we Americans say, look, we've got to reduce pollution, business - some businesses complain about it, but almost every time, it's turned out to be easier and cheaper and accomplished faster, and they've gained confidence, and then we go farther.

Any of us who work on the task of solving the climate crisis have at times an internal struggle between hope and despair. But that's one of the things that connects this climate movement to the previous great moral revolutions, like the civil rights movement and more recently the gay rights movement. So those who feel despair should be of good cheer, as the Bible says. Have faith, have hope. We are going to win this.

The constant drive for campaign dollars has distorted decision-making in Washington, DC, to the point where our systems can no longer effectively address complex, long-term problems like the climate crisis. Which brings me to my other major concern - the short-term focus of capitalism. It distorts the allocation of resources and the decision-making processes of companies.

A president who breaks the law is a threat to the very structure of our government.