The study of complex systems has taught us that simple rules can give rise to incredibly complex behavior.

We must be realistic about the pace of change. The world will need oil and gas for decades to come, even as we invest in lower-carbon solutions.

The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.

Sustainability is no longer an option; it's a business imperative for long-term survival.

Dictatorship and authentic literature are incompatible. The writer is the natural enemy of dictatorship.