Solitude is indeed dangerous for a working intelligence.We need to have around us people who think and speak.When we are alone for a long time we people the void with phantoms.

The sustainable development of the coal industry requires the coordinated efforts of policy, technology, and the market.

The study of computational complexity is not just about solving problems, but also about understanding the limits of what can be computed.

最好的经济解决方案往往是反直觉的。