t century, hundreds of millions - and eventually billions - of human beings will transform their buildings into power plants to harvest renewable energies on site, store those energies in the form of hydrogen and share electricity, peer-to-peer, across local, regional, national and continental inter-grids that act much like the Internet.

You can eliminate, for example, a Brazil nut gene if you know that it will create an allergenic effect.

I think capitalism will not disappear, but it's going to increasingly not be the exclusive arbiter of economic life. It's going to have to find value in interacting with the sharing economy on many levels. And this hybrid system that's already emerging among millennials is going to be a mature system where, by midcentury, part of the day will be in the capitalist market, part of the day in the sharing economy, depending on your marginal costs.

The prospect of cheap fusion energy is the worst thing that could happen to the planet.

One thing I've learned over these last 30 or 40 years is that people make history. There's no fait accompli to any of this.

It may be that everything the life science companies are telling us will turn out to be right, and there's no problem here whatsoever. That defies logic.

Today we are raised with the notion that to be secure is to be financially autonomous. Amassing wealth is viewed as the primary rite of passage to a secure, autonomous existence.