Understanding capitalism is in some ways simple. At its best, capitalism rewards creators, makers and providers: the people and firms that create valuable things for others, like imaginative technologies and good food, cars and drugs.

One of the lessons of history is that even the deepest crises can be moments of opportunity. They bring ideas from the margins into the mainstream.

Many of the greatest composers and musicians do their best work in extreme confinement but we are seeing it in other fields - uses of technology to link people together in networks to solve problems and almost certainly we'll get better ideas than we would from them just doing it on their own.

I'm not saying [economic] growth is wrong, but throughout the years of growth, many things didn't get better. ... If you look at America, the proportion of Americans with no one to talk to about important things went up from a tenth to a quarter.

Courses can, and should, incorporate the excitement and fun of programming games, apps or even real digital devices.

There is a yearning for people to return to elementary moral virtues, such as integrity and commitment. We distrust people who have no centering of values. We greatly respect businessmen, for example, if they display those virtues, even if we don't necessarily agree with the people.

With a fractured sense of self, we come to depend on what people feed back to us - often mediated through social networks - not what we are. We have complex identities but may become less able to act as a subject - confident in what we really are.