Radical conservatives want to police bedrooms.

Liberals are concerned about the concentration of wealth because it almost inevitably leads to a concentration of power that undermines democracy.

One thing I've learned from 35 years in the classroom is that people learn best when they are laughing, when they are emotionally hit, that it's both the brain and the heart.

I don't think that our problem, our jobs problem, is fundamentally a problem of trade. I think it has much more to do with the fact that we have not sufficiently educated our population. We have not got out of this great recession with adequate stimulus and adequate fiscal and monetary policies over all.

You and I and almost all Americans are beneficiaries of the new economy. But we are also losing parts of our lives to the new economy - aspects of our family lives, our friendships, our communities, ourselves.

We're now moving toward a radically different economy. You absolutely can't have a distribution oligopoly. The new oligopolies - and I think there will be new oligopolies - will be oligopolies of trustworthiness. Microsoft, Amazon, Schwab, and other brands will dominate psychic space, not shelf space.

In the early 1970s, Milton Friedman argued that corporations should not be socially responsible because they had no mandate to be; they existed to make money, not to be charitable institutions. But in the economy of the 21st century, corporations cannot be socially responsible, if social responsibility is understood to mean sacrificing profits for the sake of some perceived social good. That's because competition has become so much more intense.